Home / 742,595.40-1,025,245.62-510,422.04

Finding the Fourth Proportional to 742,595.40, 1,025,245.62 and 510,422.04

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Solution

The fourth proportional to 742,595.40, 1,025,245.62 and 510,422.04 is: 704,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,595.40 : 1,025,245.62 = 510,422.04 : x
  2. Step 2: Convert to fraction form
    742,595.40/1,025,245.62 = 510,422.04/x
  3. Step 3: Cross multiply
    742,595.40x = 1,025,245.62 × 510,422.04
  4. Step 4: Simplify right side
    742,595.40x = 523,307,960,861.47
  5. Step 5: Solve for x
    x = 523,307,960,861.47/742,595.40
  6. Step 6: Final answer
    x = 704,701.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.