Home / 963,312.45-1,329,314.09-527,642.91

Finding the Fourth Proportional to 963,312.45, 1,329,314.09 and 527,642.91

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Solution

The fourth proportional to 963,312.45, 1,329,314.09 and 527,642.91 is: 728,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,312.45 : 1,329,314.09 = 527,642.91 : x
  2. Step 2: Convert to fraction form
    963,312.45/1,329,314.09 = 527,642.91/x
  3. Step 3: Cross multiply
    963,312.45x = 1,329,314.09 × 527,642.91
  4. Step 4: Simplify right side
    963,312.45x = 701,403,152,113.39
  5. Step 5: Solve for x
    x = 701,403,152,113.39/963,312.45
  6. Step 6: Final answer
    x = 728,115.94

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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.