Home / 817,616.28-1,129,590.24-624,699.18

Finding the Fourth Proportional to 817,616.28, 1,129,590.24 and 624,699.18

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Solution

The fourth proportional to 817,616.28, 1,129,590.24 and 624,699.18 is: 863,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,616.28 : 1,129,590.24 = 624,699.18 : x
  2. Step 2: Convert to fraction form
    817,616.28/1,129,590.24 = 624,699.18/x
  3. Step 3: Cross multiply
    817,616.28x = 1,129,590.24 × 624,699.18
  4. Step 4: Simplify right side
    817,616.28x = 705,654,096,664.00
  5. Step 5: Solve for x
    x = 705,654,096,664.00/817,616.28
  6. Step 6: Final answer
    x = 863,062.68

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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.