Home / 1,130,591.36-1,560,158.34-621,195.32

Finding the Fourth Proportional to 1,130,591.36, 1,560,158.34 and 621,195.32

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Solution

The fourth proportional to 1,130,591.36, 1,560,158.34 and 621,195.32 is: 857,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,591.36 : 1,560,158.34 = 621,195.32 : x
  2. Step 2: Convert to fraction form
    1,130,591.36/1,560,158.34 = 621,195.32/x
  3. Step 3: Cross multiply
    1,130,591.36x = 1,560,158.34 × 621,195.32
  4. Step 4: Simplify right side
    1,130,591.36x = 969,163,059,266.97
  5. Step 5: Solve for x
    x = 969,163,059,266.97/1,130,591.36
  6. Step 6: Final answer
    x = 857,217.82

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Double scale
Find fourth proportional to 1,130,592.36, 1,560,159.72 and 621,196.32
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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.