Home / 931,569.90-1,397,354.85-648,134.70

Finding the Fourth Proportional to 931,569.90, 1,397,354.85 and 648,134.70

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Solution

The fourth proportional to 931,569.90, 1,397,354.85 and 648,134.70 is: 972,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,569.90 : 1,397,354.85 = 648,134.70 : x
  2. Step 2: Convert to fraction form
    931,569.90/1,397,354.85 = 648,134.70/x
  3. Step 3: Cross multiply
    931,569.90x = 1,397,354.85 × 648,134.70
  4. Step 4: Simplify right side
    931,569.90x = 905,674,166,498.30
  5. Step 5: Solve for x
    x = 905,674,166,498.30/931,569.90
  6. Step 6: Final answer
    x = 972,202.05

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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.