Home / 836,855.12-1,154,855.40-474,347.52

Finding the Fourth Proportional to 836,855.12, 1,154,855.40 and 474,347.52

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Solution

The fourth proportional to 836,855.12, 1,154,855.40 and 474,347.52 is: 654,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,855.12 : 1,154,855.40 = 474,347.52 : x
  2. Step 2: Convert to fraction form
    836,855.12/1,154,855.40 = 474,347.52/x
  3. Step 3: Cross multiply
    836,855.12x = 1,154,855.40 × 474,347.52
  4. Step 4: Simplify right side
    836,855.12x = 547,802,794,948.61
  5. Step 5: Solve for x
    x = 547,802,794,948.61/836,855.12
  6. Step 6: Final answer
    x = 654,596.93

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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.