Home / 571,115.20-854,829.60-526,878.40

Finding the Fourth Proportional to 571,115.20, 854,829.60 and 526,878.40

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Solution

The fourth proportional to 571,115.20, 854,829.60 and 526,878.40 is: 788,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,115.20 : 854,829.60 = 526,878.40 : x
  2. Step 2: Convert to fraction form
    571,115.20/854,829.60 = 526,878.40/x
  3. Step 3: Cross multiply
    571,115.20x = 854,829.60 × 526,878.40
  4. Step 4: Simplify right side
    571,115.20x = 450,391,251,920.64
  5. Step 5: Solve for x
    x = 450,391,251,920.64/571,115.20
  6. Step 6: Final answer
    x = 788,617.17

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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.