Home / 972,507.75-1,459,275.57-690,023.94

Finding the Fourth Proportional to 972,507.75, 1,459,275.57 and 690,023.94

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Solution

The fourth proportional to 972,507.75, 1,459,275.57 and 690,023.94 is: 1,035,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,507.75 : 1,459,275.57 = 690,023.94 : x
  2. Step 2: Convert to fraction form
    972,507.75/1,459,275.57 = 690,023.94/x
  3. Step 3: Cross multiply
    972,507.75x = 1,459,275.57 × 690,023.94
  4. Step 4: Simplify right side
    972,507.75x = 1,006,935,078,357.15
  5. Step 5: Solve for x
    x = 1,006,935,078,357.15/972,507.75
  6. Step 6: Final answer
    x = 1,035,400.57

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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.