Home / 972,740.48-1,342,359.54-543,060.60

Finding the Fourth Proportional to 972,740.48, 1,342,359.54 and 543,060.60

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Solution

The fourth proportional to 972,740.48, 1,342,359.54 and 543,060.60 is: 749,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,740.48 : 1,342,359.54 = 543,060.60 : x
  2. Step 2: Convert to fraction form
    972,740.48/1,342,359.54 = 543,060.60/x
  3. Step 3: Cross multiply
    972,740.48x = 1,342,359.54 × 543,060.60
  4. Step 4: Simplify right side
    972,740.48x = 728,982,577,208.12
  5. Step 5: Solve for x
    x = 728,982,577,208.12/972,740.48
  6. Step 6: Final answer
    x = 749,411.17

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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.