Home / 926,211.06-1,278,225.09-518,309.34

Finding the Fourth Proportional to 926,211.06, 1,278,225.09 and 518,309.34

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Solution

The fourth proportional to 926,211.06, 1,278,225.09 and 518,309.34 is: 715,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,211.06 : 1,278,225.09 = 518,309.34 : x
  2. Step 2: Convert to fraction form
    926,211.06/1,278,225.09 = 518,309.34/x
  3. Step 3: Cross multiply
    926,211.06x = 1,278,225.09 × 518,309.34
  4. Step 4: Simplify right side
    926,211.06x = 662,516,002,769.34
  5. Step 5: Solve for x
    x = 662,516,002,769.34/926,211.06
  6. Step 6: Final answer
    x = 715,297.01

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Half scale
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Double scale
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Similar ratio
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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.