Home / 921,641.59-1,271,868.08-534,531.66

Finding the Fourth Proportional to 921,641.59, 1,271,868.08 and 534,531.66

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Solution

The fourth proportional to 921,641.59, 1,271,868.08 and 534,531.66 is: 737,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,641.59 : 1,271,868.08 = 534,531.66 : x
  2. Step 2: Convert to fraction form
    921,641.59/1,271,868.08 = 534,531.66/x
  3. Step 3: Cross multiply
    921,641.59x = 1,271,868.08 × 534,531.66
  4. Step 4: Simplify right side
    921,641.59x = 679,853,748,661.25
  5. Step 5: Solve for x
    x = 679,853,748,661.25/921,641.59
  6. Step 6: Final answer
    x = 737,655.24

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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.