Home / 540,152.14-745,417.77-298,440.28

Finding the Fourth Proportional to 540,152.14, 745,417.77 and 298,440.28

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Solution

The fourth proportional to 540,152.14, 745,417.77 and 298,440.28 is: 411,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,152.14 : 745,417.77 = 298,440.28 : x
  2. Step 2: Convert to fraction form
    540,152.14/745,417.77 = 298,440.28/x
  3. Step 3: Cross multiply
    540,152.14x = 745,417.77 × 298,440.28
  4. Step 4: Simplify right side
    540,152.14x = 222,462,687,995.78
  5. Step 5: Solve for x
    x = 222,462,687,995.78/540,152.14
  6. Step 6: Final answer
    x = 411,851.91

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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.