Home / 876,119.40-1,313,660.70-456,215.40

Finding the Fourth Proportional to 876,119.40, 1,313,660.70 and 456,215.40

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Solution

The fourth proportional to 876,119.40, 1,313,660.70 and 456,215.40 is: 684,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,119.40 : 1,313,660.70 = 456,215.40 : x
  2. Step 2: Convert to fraction form
    876,119.40/1,313,660.70 = 456,215.40/x
  3. Step 3: Cross multiply
    876,119.40x = 1,313,660.70 × 456,215.40
  4. Step 4: Simplify right side
    876,119.40x = 599,312,241,714.78
  5. Step 5: Solve for x
    x = 599,312,241,714.78/876,119.40
  6. Step 6: Final answer
    x = 684,053.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.