Home / 841,781.30-1,161,370.05-479,114.42

Finding the Fourth Proportional to 841,781.30, 1,161,370.05 and 479,114.42

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Solution

The fourth proportional to 841,781.30, 1,161,370.05 and 479,114.42 is: 661,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,781.30 : 1,161,370.05 = 479,114.42 : x
  2. Step 2: Convert to fraction form
    841,781.30/1,161,370.05 = 479,114.42/x
  3. Step 3: Cross multiply
    841,781.30x = 1,161,370.05 × 479,114.42
  4. Step 4: Simplify right side
    841,781.30x = 556,429,137,911.12
  5. Step 5: Solve for x
    x = 556,429,137,911.12/841,781.30
  6. Step 6: Final answer
    x = 661,013.90

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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.