Home / 1,130,714-1,560,385.32-621,449.18

Finding the Fourth Proportional to 1,130,714, 1,560,385.32 and 621,449.18

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Solution

The fourth proportional to 1,130,714, 1,560,385.32 and 621,449.18 is: 857,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,714 : 1,560,385.32 = 621,449.18 : x
  2. Step 2: Convert to fraction form
    1,130,714/1,560,385.32 = 621,449.18/x
  3. Step 3: Cross multiply
    1,130,714x = 1,560,385.32 × 621,449.18
  4. Step 4: Simplify right side
    1,130,714x = 969,700,177,598.04
  5. Step 5: Solve for x
    x = 969,700,177,598.04/1,130,714
  6. Step 6: Final answer
    x = 857,599.87

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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.