Home / 1,681,038.83-2,521,549.85-656,473.21

Finding the Fourth Proportional to 1,681,038.83, 2,521,549.85 and 656,473.21

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Solution

The fourth proportional to 1,681,038.83, 2,521,549.85 and 656,473.21 is: 984,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,038.83 : 2,521,549.85 = 656,473.21 : x
  2. Step 2: Convert to fraction form
    1,681,038.83/2,521,549.85 = 656,473.21/x
  3. Step 3: Cross multiply
    1,681,038.83x = 2,521,549.85 × 656,473.21
  4. Step 4: Simplify right side
    1,681,038.83x = 1,655,329,914,813.92
  5. Step 5: Solve for x
    x = 1,655,329,914,813.92/1,681,038.83
  6. Step 6: Final answer
    x = 984,706.53

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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.