Home / 971,778.47-1,341,053.55-542,058.48

Finding the Fourth Proportional to 971,778.47, 1,341,053.55 and 542,058.48

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Solution

The fourth proportional to 971,778.47, 1,341,053.55 and 542,058.48 is: 748,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,778.47 : 1,341,053.55 = 542,058.48 : x
  2. Step 2: Convert to fraction form
    971,778.47/1,341,053.55 = 542,058.48/x
  3. Step 3: Cross multiply
    971,778.47x = 1,341,053.55 × 542,058.48
  4. Step 4: Simplify right side
    971,778.47x = 726,929,448,911.60
  5. Step 5: Solve for x
    x = 726,929,448,911.60/971,778.47
  6. Step 6: Final answer
    x = 748,040.29

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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.