Home / 909,100.88-1,254,281.16-527,051.40

Finding the Fourth Proportional to 909,100.88, 1,254,281.16 and 527,051.40

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Solution

The fourth proportional to 909,100.88, 1,254,281.16 and 527,051.40 is: 727,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,100.88 : 1,254,281.16 = 527,051.40 : x
  2. Step 2: Convert to fraction form
    909,100.88/1,254,281.16 = 527,051.40/x
  3. Step 3: Cross multiply
    909,100.88x = 1,254,281.16 × 527,051.40
  4. Step 4: Simplify right side
    909,100.88x = 661,070,641,371.62
  5. Step 5: Solve for x
    x = 661,070,641,371.62/909,100.88
  6. Step 6: Final answer
    x = 727,169.73

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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.