Home / 989,484.52-1,365,491.26-536,775.52

Finding the Fourth Proportional to 989,484.52, 1,365,491.26 and 536,775.52

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Solution

The fourth proportional to 989,484.52, 1,365,491.26 and 536,775.52 is: 740,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,484.52 : 1,365,491.26 = 536,775.52 : x
  2. Step 2: Convert to fraction form
    989,484.52/1,365,491.26 = 536,775.52/x
  3. Step 3: Cross multiply
    989,484.52x = 1,365,491.26 × 536,775.52
  4. Step 4: Simplify right side
    989,484.52x = 732,962,281,141.96
  5. Step 5: Solve for x
    x = 732,962,281,141.96/989,484.52
  6. Step 6: Final answer
    x = 740,751.64

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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.