Home / 712,532.16-984,545.28-560,776.32

Finding the Fourth Proportional to 712,532.16, 984,545.28 and 560,776.32

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Solution

The fourth proportional to 712,532.16, 984,545.28 and 560,776.32 is: 774,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,532.16 : 984,545.28 = 560,776.32 : x
  2. Step 2: Convert to fraction form
    712,532.16/984,545.28 = 560,776.32/x
  3. Step 3: Cross multiply
    712,532.16x = 984,545.28 × 560,776.32
  4. Step 4: Simplify right side
    712,532.16x = 552,109,678,991.77
  5. Step 5: Solve for x
    x = 552,109,678,991.77/712,532.16
  6. Step 6: Final answer
    x = 774,855.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.