Home / 745,783.00-1,028,740.94-527,746.39

Finding the Fourth Proportional to 745,783.00, 1,028,740.94 and 527,746.39

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Solution

The fourth proportional to 745,783.00, 1,028,740.94 and 527,746.39 is: 727,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,783.00 : 1,028,740.94 = 527,746.39 : x
  2. Step 2: Convert to fraction form
    745,783.00/1,028,740.94 = 527,746.39/x
  3. Step 3: Cross multiply
    745,783.00x = 1,028,740.94 × 527,746.39
  4. Step 4: Simplify right side
    745,783.00x = 542,914,316,077.72
  5. Step 5: Solve for x
    x = 542,914,316,077.72/745,783.00
  6. Step 6: Final answer
    x = 727,978.94

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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.