Home / 891,781.60-1,337,672.40-823,547.20

Finding the Fourth Proportional to 891,781.60, 1,337,672.40 and 823,547.20

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Solution

The fourth proportional to 891,781.60, 1,337,672.40 and 823,547.20 is: 1,235,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,781.60 : 1,337,672.40 = 823,547.20 : x
  2. Step 2: Convert to fraction form
    891,781.60/1,337,672.40 = 823,547.20/x
  3. Step 3: Cross multiply
    891,781.60x = 1,337,672.40 × 823,547.20
  4. Step 4: Simplify right side
    891,781.60x = 1,101,636,359,537.28
  5. Step 5: Solve for x
    x = 1,101,636,359,537.28/891,781.60
  6. Step 6: Final answer
    x = 1,235,320.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.