Home / 898,454.12-1,239,419.09-535,622.32

Finding the Fourth Proportional to 898,454.12, 1,239,419.09 and 535,622.32

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Solution

The fourth proportional to 898,454.12, 1,239,419.09 and 535,622.32 is: 738,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,454.12 : 1,239,419.09 = 535,622.32 : x
  2. Step 2: Convert to fraction form
    898,454.12/1,239,419.09 = 535,622.32/x
  3. Step 3: Cross multiply
    898,454.12x = 1,239,419.09 × 535,622.32
  4. Step 4: Simplify right side
    898,454.12x = 663,860,519,562.88
  5. Step 5: Solve for x
    x = 663,860,519,562.88/898,454.12
  6. Step 6: Final answer
    x = 738,891.95

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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.