Home / 905,514.02-1,249,584.17-497,615.73

Finding the Fourth Proportional to 905,514.02, 1,249,584.17 and 497,615.73

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Solution

The fourth proportional to 905,514.02, 1,249,584.17 and 497,615.73 is: 686,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,514.02 : 1,249,584.17 = 497,615.73 : x
  2. Step 2: Convert to fraction form
    905,514.02/1,249,584.17 = 497,615.73/x
  3. Step 3: Cross multiply
    905,514.02x = 1,249,584.17 × 497,615.73
  4. Step 4: Simplify right side
    905,514.02x = 621,812,736,462.92
  5. Step 5: Solve for x
    x = 621,812,736,462.92/905,514.02
  6. Step 6: Final answer
    x = 686,695.87

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Double scale
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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.