Home / 1,216,411.02-1,678,613.76-672,569.73

Finding the Fourth Proportional to 1,216,411.02, 1,678,613.76 and 672,569.73

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Solution

The fourth proportional to 1,216,411.02, 1,678,613.76 and 672,569.73 is: 928,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,411.02 : 1,678,613.76 = 672,569.73 : x
  2. Step 2: Convert to fraction form
    1,216,411.02/1,678,613.76 = 672,569.73/x
  3. Step 3: Cross multiply
    1,216,411.02x = 1,678,613.76 × 672,569.73
  4. Step 4: Simplify right side
    1,216,411.02x = 1,128,984,803,337.48
  5. Step 5: Solve for x
    x = 1,128,984,803,337.48/1,216,411.02
  6. Step 6: Final answer
    x = 928,127.73

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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.