Home / 812,276.68-1,121,533.14-652,013.32

Finding the Fourth Proportional to 812,276.68, 1,121,533.14 and 652,013.32

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Solution

The fourth proportional to 812,276.68, 1,121,533.14 and 652,013.32 is: 900,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,276.68 : 1,121,533.14 = 652,013.32 : x
  2. Step 2: Convert to fraction form
    812,276.68/1,121,533.14 = 652,013.32/x
  3. Step 3: Cross multiply
    812,276.68x = 1,121,533.14 × 652,013.32
  4. Step 4: Simplify right side
    812,276.68x = 731,254,546,101.43
  5. Step 5: Solve for x
    x = 731,254,546,101.43/812,276.68
  6. Step 6: Final answer
    x = 900,253.03

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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.