Home / 933,459.90-1,396,690.65-618,531.90

Finding the Fourth Proportional to 933,459.90, 1,396,690.65 and 618,531.90

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Solution

The fourth proportional to 933,459.90, 1,396,690.65 and 618,531.90 is: 925,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,459.90 : 1,396,690.65 = 618,531.90 : x
  2. Step 2: Convert to fraction form
    933,459.90/1,396,690.65 = 618,531.90/x
  3. Step 3: Cross multiply
    933,459.90x = 1,396,690.65 × 618,531.90
  4. Step 4: Simplify right side
    933,459.90x = 863,897,721,456.74
  5. Step 5: Solve for x
    x = 863,897,721,456.74/933,459.90
  6. Step 6: Final answer
    x = 925,479.20

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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.