Home / 989,479.22-1,365,483.92-536,770.22

Finding the Fourth Proportional to 989,479.22, 1,365,483.92 and 536,770.22

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Solution

The fourth proportional to 989,479.22, 1,365,483.92 and 536,770.22 is: 740,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,479.22 : 1,365,483.92 = 536,770.22 : x
  2. Step 2: Convert to fraction form
    989,479.22/1,365,483.92 = 536,770.22/x
  3. Step 3: Cross multiply
    989,479.22x = 1,365,483.92 × 536,770.22
  4. Step 4: Simplify right side
    989,479.22x = 732,951,094,633.59
  5. Step 5: Solve for x
    x = 732,951,094,633.59/989,479.22
  6. Step 6: Final answer
    x = 740,744.31

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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.