Home / 992,088.57-1,486,951.86-690,938.67

Finding the Fourth Proportional to 992,088.57, 1,486,951.86 and 690,938.67

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Solution

The fourth proportional to 992,088.57, 1,486,951.86 and 690,938.67 is: 1,035,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,088.57 : 1,486,951.86 = 690,938.67 : x
  2. Step 2: Convert to fraction form
    992,088.57/1,486,951.86 = 690,938.67/x
  3. Step 3: Cross multiply
    992,088.57x = 1,486,951.86 × 690,938.67
  4. Step 4: Simplify right side
    992,088.57x = 1,027,392,540,502.43
  5. Step 5: Solve for x
    x = 1,027,392,540,502.43/992,088.57
  6. Step 6: Final answer
    x = 1,035,585.50

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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.