Home / 748,337.52-1,032,656.40-426,080.64

Finding the Fourth Proportional to 748,337.52, 1,032,656.40 and 426,080.64

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Solution

The fourth proportional to 748,337.52, 1,032,656.40 and 426,080.64 is: 587,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,337.52 : 1,032,656.40 = 426,080.64 : x
  2. Step 2: Convert to fraction form
    748,337.52/1,032,656.40 = 426,080.64/x
  3. Step 3: Cross multiply
    748,337.52x = 1,032,656.40 × 426,080.64
  4. Step 4: Simplify right side
    748,337.52x = 439,994,899,812.10
  5. Step 5: Solve for x
    x = 439,994,899,812.10/748,337.52
  6. Step 6: Final answer
    x = 587,963.17

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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.