Home / 875,084.60-1,207,714.14-552,779.16

Finding the Fourth Proportional to 875,084.60, 1,207,714.14 and 552,779.16

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Solution

The fourth proportional to 875,084.60, 1,207,714.14 and 552,779.16 is: 762,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,084.60 : 1,207,714.14 = 552,779.16 : x
  2. Step 2: Convert to fraction form
    875,084.60/1,207,714.14 = 552,779.16/x
  3. Step 3: Cross multiply
    875,084.60x = 1,207,714.14 × 552,779.16
  4. Step 4: Simplify right side
    875,084.60x = 667,599,207,829.32
  5. Step 5: Solve for x
    x = 667,599,207,829.32/875,084.60
  6. Step 6: Final answer
    x = 762,896.76

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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.