Home / 859,698.15-1,186,394.20-472,555.85

Finding the Fourth Proportional to 859,698.15, 1,186,394.20 and 472,555.85

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Solution

The fourth proportional to 859,698.15, 1,186,394.20 and 472,555.85 is: 652,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,698.15 : 1,186,394.20 = 472,555.85 : x
  2. Step 2: Convert to fraction form
    859,698.15/1,186,394.20 = 472,555.85/x
  3. Step 3: Cross multiply
    859,698.15x = 1,186,394.20 × 472,555.85
  4. Step 4: Simplify right side
    859,698.15x = 560,637,512,502.71
  5. Step 5: Solve for x
    x = 560,637,512,502.71/859,698.15
  6. Step 6: Final answer
    x = 652,132.98

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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.