Home / 712,523.40-1,068,785.10-180,045.96

Finding the Fourth Proportional to 712,523.40, 1,068,785.10 and 180,045.96

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Solution

The fourth proportional to 712,523.40, 1,068,785.10 and 180,045.96 is: 270,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,523.40 : 1,068,785.10 = 180,045.96 : x
  2. Step 2: Convert to fraction form
    712,523.40/1,068,785.10 = 180,045.96/x
  3. Step 3: Cross multiply
    712,523.40x = 1,068,785.10 × 180,045.96
  4. Step 4: Simplify right side
    712,523.40x = 192,430,439,363.20
  5. Step 5: Solve for x
    x = 192,430,439,363.20/712,523.40
  6. Step 6: Final answer
    x = 270,068.94

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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.