Home / 823,423.59-1,136,108.57-474,478.16

Finding the Fourth Proportional to 823,423.59, 1,136,108.57 and 474,478.16

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Solution

The fourth proportional to 823,423.59, 1,136,108.57 and 474,478.16 is: 654,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,423.59 : 1,136,108.57 = 474,478.16 : x
  2. Step 2: Convert to fraction form
    823,423.59/1,136,108.57 = 474,478.16/x
  3. Step 3: Cross multiply
    823,423.59x = 1,136,108.57 × 474,478.16
  4. Step 4: Simplify right side
    823,423.59x = 539,058,695,800.90
  5. Step 5: Solve for x
    x = 539,058,695,800.90/823,423.59
  6. Step 6: Final answer
    x = 654,655.40

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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.