Home / 963,248.88-1,330,176.98-721,111.02

Finding the Fourth Proportional to 963,248.88, 1,330,176.98 and 721,111.02

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Solution

The fourth proportional to 963,248.88, 1,330,176.98 and 721,111.02 is: 995,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,248.88 : 1,330,176.98 = 721,111.02 : x
  2. Step 2: Convert to fraction form
    963,248.88/1,330,176.98 = 721,111.02/x
  3. Step 3: Cross multiply
    963,248.88x = 1,330,176.98 × 721,111.02
  4. Step 4: Simplify right side
    963,248.88x = 959,205,278,828.32
  5. Step 5: Solve for x
    x = 959,205,278,828.32/963,248.88
  6. Step 6: Final answer
    x = 995,802.12

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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.