Home / 755,087.50-1,133,155.86-488,186.02

Finding the Fourth Proportional to 755,087.50, 1,133,155.86 and 488,186.02

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Solution

The fourth proportional to 755,087.50, 1,133,155.86 and 488,186.02 is: 732,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,087.50 : 1,133,155.86 = 488,186.02 : x
  2. Step 2: Convert to fraction form
    755,087.50/1,133,155.86 = 488,186.02/x
  3. Step 3: Cross multiply
    755,087.50x = 1,133,155.86 × 488,186.02
  4. Step 4: Simplify right side
    755,087.50x = 553,190,849,333.08
  5. Step 5: Solve for x
    x = 553,190,849,333.08/755,087.50
  6. Step 6: Final answer
    x = 732,618.21

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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.