Home / 903,792.43-1,247,191.45-495,885.07

Finding the Fourth Proportional to 903,792.43, 1,247,191.45 and 495,885.07

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Solution

The fourth proportional to 903,792.43, 1,247,191.45 and 495,885.07 is: 684,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,792.43 : 1,247,191.45 = 495,885.07 : x
  2. Step 2: Convert to fraction form
    903,792.43/1,247,191.45 = 495,885.07/x
  3. Step 3: Cross multiply
    903,792.43x = 1,247,191.45 × 495,885.07
  4. Step 4: Simplify right side
    903,792.43x = 618,463,619,486.65
  5. Step 5: Solve for x
    x = 618,463,619,486.65/903,792.43
  6. Step 6: Final answer
    x = 684,298.30

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Double scale
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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.