Home / 963,630.68-1,329,765.54-528,045.44

Finding the Fourth Proportional to 963,630.68, 1,329,765.54 and 528,045.44

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Solution

The fourth proportional to 963,630.68, 1,329,765.54 and 528,045.44 is: 728,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,630.68 : 1,329,765.54 = 528,045.44 : x
  2. Step 2: Convert to fraction form
    963,630.68/1,329,765.54 = 528,045.44/x
  3. Step 3: Cross multiply
    963,630.68x = 1,329,765.54 × 528,045.44
  4. Step 4: Simplify right side
    963,630.68x = 702,176,629,666.14
  5. Step 5: Solve for x
    x = 702,176,629,666.14/963,630.68
  6. Step 6: Final answer
    x = 728,678.16

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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.