Home / 526,156.06-725,917.69-299,641.18

Finding the Fourth Proportional to 526,156.06, 725,917.69 and 299,641.18

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Solution

The fourth proportional to 526,156.06, 725,917.69 and 299,641.18 is: 413,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,156.06 : 725,917.69 = 299,641.18 : x
  2. Step 2: Convert to fraction form
    526,156.06/725,917.69 = 299,641.18/x
  3. Step 3: Cross multiply
    526,156.06x = 725,917.69 × 299,641.18
  4. Step 4: Simplify right side
    526,156.06x = 217,514,833,214.47
  5. Step 5: Solve for x
    x = 217,514,833,214.47/526,156.06
  6. Step 6: Final answer
    x = 413,403.65

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1.5x scale

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.