Home / 748,372.51-1,032,730.99-426,128.59

Finding the Fourth Proportional to 748,372.51, 1,032,730.99 and 426,128.59

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Solution

The fourth proportional to 748,372.51, 1,032,730.99 and 426,128.59 is: 588,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,372.51 : 1,032,730.99 = 426,128.59 : x
  2. Step 2: Convert to fraction form
    748,372.51/1,032,730.99 = 426,128.59/x
  3. Step 3: Cross multiply
    748,372.51x = 1,032,730.99 × 426,128.59
  4. Step 4: Simplify right side
    748,372.51x = 440,076,200,618.00
  5. Step 5: Solve for x
    x = 440,076,200,618.00/748,372.51
  6. Step 6: Final answer
    x = 588,044.32

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Double scale
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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.