Home / 989,902.74-1,366,066.64-537,193.74

Finding the Fourth Proportional to 989,902.74, 1,366,066.64 and 537,193.74

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Solution

The fourth proportional to 989,902.74, 1,366,066.64 and 537,193.74 is: 741,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,902.74 : 1,366,066.64 = 537,193.74 : x
  2. Step 2: Convert to fraction form
    989,902.74/1,366,066.64 = 537,193.74/x
  3. Step 3: Cross multiply
    989,902.74x = 1,366,066.64 × 537,193.74
  4. Step 4: Simplify right side
    989,902.74x = 733,842,447,430.83
  5. Step 5: Solve for x
    x = 733,842,447,430.83/989,902.74
  6. Step 6: Final answer
    x = 741,327.83

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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.