Home / 750,789.76-1,123,359.36-526,587.72

Finding the Fourth Proportional to 750,789.76, 1,123,359.36 and 526,587.72

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Solution

The fourth proportional to 750,789.76, 1,123,359.36 and 526,587.72 is: 787,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,789.76 : 1,123,359.36 = 526,587.72 : x
  2. Step 2: Convert to fraction form
    750,789.76/1,123,359.36 = 526,587.72/x
  3. Step 3: Cross multiply
    750,789.76x = 1,123,359.36 × 526,587.72
  4. Step 4: Simplify right side
    750,789.76x = 591,547,244,123.06
  5. Step 5: Solve for x
    x = 591,547,244,123.06/750,789.76
  6. Step 6: Final answer
    x = 787,899.99

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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.