Home / 972,949.02-1,342,655.51-543,235.11

Finding the Fourth Proportional to 972,949.02, 1,342,655.51 and 543,235.11

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Solution

The fourth proportional to 972,949.02, 1,342,655.51 and 543,235.11 is: 749,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,949.02 : 1,342,655.51 = 543,235.11 : x
  2. Step 2: Convert to fraction form
    972,949.02/1,342,655.51 = 543,235.11/x
  3. Step 3: Cross multiply
    972,949.02x = 1,342,655.51 × 543,235.11
  4. Step 4: Simplify right side
    972,949.02x = 729,377,610,950.78
  5. Step 5: Solve for x
    x = 729,377,610,950.78/972,949.02
  6. Step 6: Final answer
    x = 749,656.56

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Double scale
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1.5x scale

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.