Home / 859,641.80-1,186,235.70-537,132.20

Finding the Fourth Proportional to 859,641.80, 1,186,235.70 and 537,132.20

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Solution

The fourth proportional to 859,641.80, 1,186,235.70 and 537,132.20 is: 741,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,641.80 : 1,186,235.70 = 537,132.20 : x
  2. Step 2: Convert to fraction form
    859,641.80/1,186,235.70 = 537,132.20/x
  3. Step 3: Cross multiply
    859,641.80x = 1,186,235.70 × 537,132.20
  4. Step 4: Simplify right side
    859,641.80x = 637,165,391,259.54
  5. Step 5: Solve for x
    x = 637,165,391,259.54/859,641.80
  6. Step 6: Final answer
    x = 741,198.71

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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.