Home / 1,151,743.77-1,726,877.50-478,289.93

Finding the Fourth Proportional to 1,151,743.77, 1,726,877.50 and 478,289.93

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Solution

The fourth proportional to 1,151,743.77, 1,726,877.50 and 478,289.93 is: 717,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,743.77 : 1,726,877.50 = 478,289.93 : x
  2. Step 2: Convert to fraction form
    1,151,743.77/1,726,877.50 = 478,289.93/x
  3. Step 3: Cross multiply
    1,151,743.77x = 1,726,877.50 × 478,289.93
  4. Step 4: Simplify right side
    1,151,743.77x = 825,948,108,763.46
  5. Step 5: Solve for x
    x = 825,948,108,763.46/1,151,743.77
  6. Step 6: Final answer
    x = 717,128.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.