Home / 806,803.60-1,210,205.40-554,861.20

Finding the Fourth Proportional to 806,803.60, 1,210,205.40 and 554,861.20

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Solution

The fourth proportional to 806,803.60, 1,210,205.40 and 554,861.20 is: 832,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,803.60 : 1,210,205.40 = 554,861.20 : x
  2. Step 2: Convert to fraction form
    806,803.60/1,210,205.40 = 554,861.20/x
  3. Step 3: Cross multiply
    806,803.60x = 1,210,205.40 × 554,861.20
  4. Step 4: Simplify right side
    806,803.60x = 671,496,020,490.48
  5. Step 5: Solve for x
    x = 671,496,020,490.48/806,803.60
  6. Step 6: Final answer
    x = 832,291.80

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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.