Home / 786,069.10-1,179,103.65-576,117.10

Finding the Fourth Proportional to 786,069.10, 1,179,103.65 and 576,117.10

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Solution

The fourth proportional to 786,069.10, 1,179,103.65 and 576,117.10 is: 864,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,069.10 : 1,179,103.65 = 576,117.10 : x
  2. Step 2: Convert to fraction form
    786,069.10/1,179,103.65 = 576,117.10/x
  3. Step 3: Cross multiply
    786,069.10x = 1,179,103.65 × 576,117.10
  4. Step 4: Simplify right side
    786,069.10x = 679,301,775,437.42
  5. Step 5: Solve for x
    x = 679,301,775,437.42/786,069.10
  6. Step 6: Final answer
    x = 864,175.65

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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.