Home / 749,306.46-1,034,028.63-409,773.66

Finding the Fourth Proportional to 749,306.46, 1,034,028.63 and 409,773.66

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Solution

The fourth proportional to 749,306.46, 1,034,028.63 and 409,773.66 is: 565,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,306.46 : 1,034,028.63 = 409,773.66 : x
  2. Step 2: Convert to fraction form
    749,306.46/1,034,028.63 = 409,773.66/x
  3. Step 3: Cross multiply
    749,306.46x = 1,034,028.63 × 409,773.66
  4. Step 4: Simplify right side
    749,306.46x = 423,717,696,259.89
  5. Step 5: Solve for x
    x = 423,717,696,259.89/749,306.46
  6. Step 6: Final answer
    x = 565,479.84

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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.