Home / 972,567.90-1,458,160.65-440,343.90

Finding the Fourth Proportional to 972,567.90, 1,458,160.65 and 440,343.90

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Solution

The fourth proportional to 972,567.90, 1,458,160.65 and 440,343.90 is: 660,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,567.90 : 1,458,160.65 = 440,343.90 : x
  2. Step 2: Convert to fraction form
    972,567.90/1,458,160.65 = 440,343.90/x
  3. Step 3: Cross multiply
    972,567.90x = 1,458,160.65 × 440,343.90
  4. Step 4: Simplify right side
    972,567.90x = 642,092,147,447.54
  5. Step 5: Solve for x
    x = 642,092,147,447.54/972,567.90
  6. Step 6: Final answer
    x = 660,202.90

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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.