Home / 742,195.61-1,024,234.37-419,973.05

Finding the Fourth Proportional to 742,195.61, 1,024,234.37 and 419,973.05

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Solution

The fourth proportional to 742,195.61, 1,024,234.37 and 419,973.05 is: 579,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,195.61 : 1,024,234.37 = 419,973.05 : x
  2. Step 2: Convert to fraction form
    742,195.61/1,024,234.37 = 419,973.05/x
  3. Step 3: Cross multiply
    742,195.61x = 1,024,234.37 × 419,973.05
  4. Step 4: Simplify right side
    742,195.61x = 430,150,834,319.35
  5. Step 5: Solve for x
    x = 430,150,834,319.35/742,195.61
  6. Step 6: Final answer
    x = 579,565.32

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Double scale
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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.