Home / 571,139.20-854,865.60-526,902.40

Finding the Fourth Proportional to 571,139.20, 854,865.60 and 526,902.40

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Solution

The fourth proportional to 571,139.20, 854,865.60 and 526,902.40 is: 788,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,139.20 : 854,865.60 = 526,902.40 : x
  2. Step 2: Convert to fraction form
    571,139.20/854,865.60 = 526,902.40/x
  3. Step 3: Cross multiply
    571,139.20x = 854,865.60 × 526,902.40
  4. Step 4: Simplify right side
    571,139.20x = 450,430,736,317.44
  5. Step 5: Solve for x
    x = 450,430,736,317.44/571,139.20
  6. Step 6: Final answer
    x = 788,653.16

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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.