Home / 1,456,157.13-2,182,520.12-656,502.45

Finding the Fourth Proportional to 1,456,157.13, 2,182,520.12 and 656,502.45

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Solution

The fourth proportional to 1,456,157.13, 2,182,520.12 and 656,502.45 is: 983,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,157.13 : 2,182,520.12 = 656,502.45 : x
  2. Step 2: Convert to fraction form
    1,456,157.13/2,182,520.12 = 656,502.45/x
  3. Step 3: Cross multiply
    1,456,157.13x = 2,182,520.12 × 656,502.45
  4. Step 4: Simplify right side
    1,456,157.13x = 1,432,829,802,671.78
  5. Step 5: Solve for x
    x = 1,432,829,802,671.78/1,456,157.13
  6. Step 6: Final answer
    x = 983,980.21

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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.