Home / 992,932.48-1,370,280.96-540,240.64

Finding the Fourth Proportional to 992,932.48, 1,370,280.96 and 540,240.64

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Solution

The fourth proportional to 992,932.48, 1,370,280.96 and 540,240.64 is: 745,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,932.48 : 1,370,280.96 = 540,240.64 : x
  2. Step 2: Convert to fraction form
    992,932.48/1,370,280.96 = 540,240.64/x
  3. Step 3: Cross multiply
    992,932.48x = 1,370,280.96 × 540,240.64
  4. Step 4: Simplify right side
    992,932.48x = 740,281,462,810.21
  5. Step 5: Solve for x
    x = 740,281,462,810.21/992,932.48
  6. Step 6: Final answer
    x = 745,550.66

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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.