Home / 963,631.18-1,329,766.23-528,045.94

Finding the Fourth Proportional to 963,631.18, 1,329,766.23 and 528,045.94

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Solution

The fourth proportional to 963,631.18, 1,329,766.23 and 528,045.94 is: 728,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,631.18 : 1,329,766.23 = 528,045.94 : x
  2. Step 2: Convert to fraction form
    963,631.18/1,329,766.23 = 528,045.94/x
  3. Step 3: Cross multiply
    963,631.18x = 1,329,766.23 × 528,045.94
  4. Step 4: Simplify right side
    963,631.18x = 702,177,658,900.61
  5. Step 5: Solve for x
    x = 702,177,658,900.61/963,631.18
  6. Step 6: Final answer
    x = 728,678.85

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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.