Home / 813,895.40-1,220,593.42-562,789.40

Finding the Fourth Proportional to 813,895.40, 1,220,593.42 and 562,789.40

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Solution

The fourth proportional to 813,895.40, 1,220,593.42 and 562,789.40 is: 844,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,895.40 : 1,220,593.42 = 562,789.40 : x
  2. Step 2: Convert to fraction form
    813,895.40/1,220,593.42 = 562,789.40/x
  3. Step 3: Cross multiply
    813,895.40x = 1,220,593.42 × 562,789.40
  4. Step 4: Simplify right side
    813,895.40x = 686,937,038,485.75
  5. Step 5: Solve for x
    x = 686,937,038,485.75/813,895.40
  6. Step 6: Final answer
    x = 844,011.45

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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.