Home / 696,391.52-1,044,587.61-459,678.87

Finding the Fourth Proportional to 696,391.52, 1,044,587.61 and 459,678.87

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Solution

The fourth proportional to 696,391.52, 1,044,587.61 and 459,678.87 is: 689,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,391.52 : 1,044,587.61 = 459,678.87 : x
  2. Step 2: Convert to fraction form
    696,391.52/1,044,587.61 = 459,678.87/x
  3. Step 3: Cross multiply
    696,391.52x = 1,044,587.61 × 459,678.87
  4. Step 4: Simplify right side
    696,391.52x = 480,174,852,180.80
  5. Step 5: Solve for x
    x = 480,174,852,180.80/696,391.52
  6. Step 6: Final answer
    x = 689,518.53

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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.