Home / 817,613.28-1,129,586.10-624,696.18

Finding the Fourth Proportional to 817,613.28, 1,129,586.10 and 624,696.18

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Solution

The fourth proportional to 817,613.28, 1,129,586.10 and 624,696.18 is: 863,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,613.28 : 1,129,586.10 = 624,696.18 : x
  2. Step 2: Convert to fraction form
    817,613.28/1,129,586.10 = 624,696.18/x
  3. Step 3: Cross multiply
    817,613.28x = 1,129,586.10 × 624,696.18
  4. Step 4: Simplify right side
    817,613.28x = 705,648,121,651.10
  5. Step 5: Solve for x
    x = 705,648,121,651.10/817,613.28
  6. Step 6: Final answer
    x = 863,058.54

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Double scale
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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.