Home / 724,216.80-1,086,325.20-473,541.60

Finding the Fourth Proportional to 724,216.80, 1,086,325.20 and 473,541.60

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Solution

The fourth proportional to 724,216.80, 1,086,325.20 and 473,541.60 is: 710,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,216.80 : 1,086,325.20 = 473,541.60 : x
  2. Step 2: Convert to fraction form
    724,216.80/1,086,325.20 = 473,541.60/x
  3. Step 3: Cross multiply
    724,216.80x = 1,086,325.20 × 473,541.60
  4. Step 4: Simplify right side
    724,216.80x = 514,420,173,328.32
  5. Step 5: Solve for x
    x = 514,420,173,328.32/724,216.80
  6. Step 6: Final answer
    x = 710,312.40

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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.