Home / 495,351.04-683,587.06-280,532.92

Finding the Fourth Proportional to 495,351.04, 683,587.06 and 280,532.92

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Solution

The fourth proportional to 495,351.04, 683,587.06 and 280,532.92 is: 387,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,351.04 : 683,587.06 = 280,532.92 : x
  2. Step 2: Convert to fraction form
    495,351.04/683,587.06 = 280,532.92/x
  3. Step 3: Cross multiply
    495,351.04x = 683,587.06 × 280,532.92
  4. Step 4: Simplify right side
    495,351.04x = 191,768,674,016.02
  5. Step 5: Solve for x
    x = 191,768,674,016.02/495,351.04
  6. Step 6: Final answer
    x = 387,136.92

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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.