Home / 806,816.70-1,210,225.05-508,218.30

Finding the Fourth Proportional to 806,816.70, 1,210,225.05 and 508,218.30

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Solution

The fourth proportional to 806,816.70, 1,210,225.05 and 508,218.30 is: 762,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,816.70 : 1,210,225.05 = 508,218.30 : x
  2. Step 2: Convert to fraction form
    806,816.70/1,210,225.05 = 508,218.30/x
  3. Step 3: Cross multiply
    806,816.70x = 1,210,225.05 × 508,218.30
  4. Step 4: Simplify right side
    806,816.70x = 615,058,517,528.42
  5. Step 5: Solve for x
    x = 615,058,517,528.42/806,816.70
  6. Step 6: Final answer
    x = 762,327.45

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Half scale
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Double scale
Find fourth proportional to 806,817.70, 1,210,226.55 and 508,219.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.