Home / 495,332.28-683,561.22-280,514.16

Finding the Fourth Proportional to 495,332.28, 683,561.22 and 280,514.16

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Solution

The fourth proportional to 495,332.28, 683,561.22 and 280,514.16 is: 387,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,332.28 : 683,561.22 = 280,514.16 : x
  2. Step 2: Convert to fraction form
    495,332.28/683,561.22 = 280,514.16/x
  3. Step 3: Cross multiply
    495,332.28x = 683,561.22 × 280,514.16
  4. Step 4: Simplify right side
    495,332.28x = 191,748,601,436.88
  5. Step 5: Solve for x
    x = 191,748,601,436.88/495,332.28
  6. Step 6: Final answer
    x = 387,111.05

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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.