Home / 572,738.91-790,389.48-314,626.74

Finding the Fourth Proportional to 572,738.91, 790,389.48 and 314,626.74

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Solution

The fourth proportional to 572,738.91, 790,389.48 and 314,626.74 is: 434,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,738.91 : 790,389.48 = 314,626.74 : x
  2. Step 2: Convert to fraction form
    572,738.91/790,389.48 = 314,626.74/x
  3. Step 3: Cross multiply
    572,738.91x = 790,389.48 × 314,626.74
  4. Step 4: Simplify right side
    572,738.91x = 248,677,665,422.70
  5. Step 5: Solve for x
    x = 248,677,665,422.70/572,738.91
  6. Step 6: Final answer
    x = 434,190.28

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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.