Home / 712,776.84-1,069,168.88-180,298.38

Finding the Fourth Proportional to 712,776.84, 1,069,168.88 and 180,298.38

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Solution

The fourth proportional to 712,776.84, 1,069,168.88 and 180,298.38 is: 270,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,776.84 : 1,069,168.88 = 180,298.38 : x
  2. Step 2: Convert to fraction form
    712,776.84/1,069,168.88 = 180,298.38/x
  3. Step 3: Cross multiply
    712,776.84x = 1,069,168.88 × 180,298.38
  4. Step 4: Simplify right side
    712,776.84x = 192,769,417,010.41
  5. Step 5: Solve for x
    x = 192,769,417,010.41/712,776.84
  6. Step 6: Final answer
    x = 270,448.49

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Double scale
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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.