Home / 943,108.74-1,301,490.20-513,392.10

Finding the Fourth Proportional to 943,108.74, 1,301,490.20 and 513,392.10

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Solution

The fourth proportional to 943,108.74, 1,301,490.20 and 513,392.10 is: 708,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,108.74 : 1,301,490.20 = 513,392.10 : x
  2. Step 2: Convert to fraction form
    943,108.74/1,301,490.20 = 513,392.10/x
  3. Step 3: Cross multiply
    943,108.74x = 1,301,490.20 × 513,392.10
  4. Step 4: Simplify right side
    943,108.74x = 668,174,786,907.42
  5. Step 5: Solve for x
    x = 668,174,786,907.42/943,108.74
  6. Step 6: Final answer
    x = 708,481.17

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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.