Home / 1,065,091.42-1,598,430.54-781,514.74

Finding the Fourth Proportional to 1,065,091.42, 1,598,430.54 and 781,514.74

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Solution

The fourth proportional to 1,065,091.42, 1,598,430.54 and 781,514.74 is: 1,172,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,091.42 : 1,598,430.54 = 781,514.74 : x
  2. Step 2: Convert to fraction form
    1,065,091.42/1,598,430.54 = 781,514.74/x
  3. Step 3: Cross multiply
    1,065,091.42x = 1,598,430.54 × 781,514.74
  4. Step 4: Simplify right side
    1,065,091.42x = 1,249,197,027,876.16
  5. Step 5: Solve for x
    x = 1,249,197,027,876.16/1,065,091.42
  6. Step 6: Final answer
    x = 1,172,854.28

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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.