Home / 1,326,132.64-1,989,212.88-1,061,574.92

Finding the Fourth Proportional to 1,326,132.64, 1,989,212.88 and 1,061,574.92

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Solution

The fourth proportional to 1,326,132.64, 1,989,212.88 and 1,061,574.92 is: 1,592,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,132.64 : 1,989,212.88 = 1,061,574.92 : x
  2. Step 2: Convert to fraction form
    1,326,132.64/1,989,212.88 = 1,061,574.92/x
  3. Step 3: Cross multiply
    1,326,132.64x = 1,989,212.88 × 1,061,574.92
  4. Step 4: Simplify right side
    1,326,132.64x = 2,111,698,503,948.97
  5. Step 5: Solve for x
    x = 2,111,698,503,948.97/1,326,132.64
  6. Step 6: Final answer
    x = 1,592,373.52

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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.