Home / 545,290.79-752,462.87-341,332.38

Finding the Fourth Proportional to 545,290.79, 752,462.87 and 341,332.38

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Solution

The fourth proportional to 545,290.79, 752,462.87 and 341,332.38 is: 471,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,290.79 : 752,462.87 = 341,332.38 : x
  2. Step 2: Convert to fraction form
    545,290.79/752,462.87 = 341,332.38/x
  3. Step 3: Cross multiply
    545,290.79x = 752,462.87 × 341,332.38
  4. Step 4: Simplify right side
    545,290.79x = 256,839,940,572.07
  5. Step 5: Solve for x
    x = 256,839,940,572.07/545,290.79
  6. Step 6: Final answer
    x = 471,014.64

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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.