Home / 724,312.40-1,086,468.60-537,688.40

Finding the Fourth Proportional to 724,312.40, 1,086,468.60 and 537,688.40

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Solution

The fourth proportional to 724,312.40, 1,086,468.60 and 537,688.40 is: 806,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,312.40 : 1,086,468.60 = 537,688.40 : x
  2. Step 2: Convert to fraction form
    724,312.40/1,086,468.60 = 537,688.40/x
  3. Step 3: Cross multiply
    724,312.40x = 1,086,468.60 × 537,688.40
  4. Step 4: Simplify right side
    724,312.40x = 584,181,563,184.24
  5. Step 5: Solve for x
    x = 584,181,563,184.24/724,312.40
  6. Step 6: Final answer
    x = 806,532.60

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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.