Home / 765,584.84-1,148,377.24-316,317.34

Finding the Fourth Proportional to 765,584.84, 1,148,377.24 and 316,317.34

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Solution

The fourth proportional to 765,584.84, 1,148,377.24 and 316,317.34 is: 474,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,584.84 : 1,148,377.24 = 316,317.34 : x
  2. Step 2: Convert to fraction form
    765,584.84/1,148,377.24 = 316,317.34/x
  3. Step 3: Cross multiply
    765,584.84x = 1,148,377.24 × 316,317.34
  4. Step 4: Simplify right side
    765,584.84x = 363,251,637,500.46
  5. Step 5: Solve for x
    x = 363,251,637,500.46/765,584.84
  6. Step 6: Final answer
    x = 474,476.01

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Double scale
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1.5x scale

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.