Home / 903,851.86-1,247,315.08-495,956.38

Finding the Fourth Proportional to 903,851.86, 1,247,315.08 and 495,956.38

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Solution

The fourth proportional to 903,851.86, 1,247,315.08 and 495,956.38 is: 684,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,851.86 : 1,247,315.08 = 495,956.38 : x
  2. Step 2: Convert to fraction form
    903,851.86/1,247,315.08 = 495,956.38/x
  3. Step 3: Cross multiply
    903,851.86x = 1,247,315.08 × 495,956.38
  4. Step 4: Simplify right side
    903,851.86x = 618,613,864,319.74
  5. Step 5: Solve for x
    x = 618,613,864,319.74/903,851.86
  6. Step 6: Final answer
    x = 684,419.53

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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.