Home / 956,073.12-1,434,109.80-316,205.10

Finding the Fourth Proportional to 956,073.12, 1,434,109.80 and 316,205.10

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Solution

The fourth proportional to 956,073.12, 1,434,109.80 and 316,205.10 is: 474,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,073.12 : 1,434,109.80 = 316,205.10 : x
  2. Step 2: Convert to fraction form
    956,073.12/1,434,109.80 = 316,205.10/x
  3. Step 3: Cross multiply
    956,073.12x = 1,434,109.80 × 316,205.10
  4. Step 4: Simplify right side
    956,073.12x = 453,472,832,719.98
  5. Step 5: Solve for x
    x = 453,472,832,719.98/956,073.12
  6. Step 6: Final answer
    x = 474,307.69

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Double scale
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Similar ratio
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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.