Home / 1,015,121.34-1,400,867.74-556,232.16

Finding the Fourth Proportional to 1,015,121.34, 1,400,867.74 and 556,232.16

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Solution

The fourth proportional to 1,015,121.34, 1,400,867.74 and 556,232.16 is: 767,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,121.34 : 1,400,867.74 = 556,232.16 : x
  2. Step 2: Convert to fraction form
    1,015,121.34/1,400,867.74 = 556,232.16/x
  3. Step 3: Cross multiply
    1,015,121.34x = 1,400,867.74 × 556,232.16
  4. Step 4: Simplify right side
    1,015,121.34x = 779,207,693,278.66
  5. Step 5: Solve for x
    x = 779,207,693,278.66/1,015,121.34
  6. Step 6: Final answer
    x = 767,600.55

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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.