Home / 1,588,080.90-2,191,565.52-862,928.60

Finding the Fourth Proportional to 1,588,080.90, 2,191,565.52 and 862,928.60

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Solution

The fourth proportional to 1,588,080.90, 2,191,565.52 and 862,928.60 is: 1,190,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,080.90 : 2,191,565.52 = 862,928.60 : x
  2. Step 2: Convert to fraction form
    1,588,080.90/2,191,565.52 = 862,928.60/x
  3. Step 3: Cross multiply
    1,588,080.90x = 2,191,565.52 × 862,928.60
  4. Step 4: Simplify right side
    1,588,080.90x = 1,891,164,565,981.87
  5. Step 5: Solve for x
    x = 1,891,164,565,981.87/1,588,080.90
  6. Step 6: Final answer
    x = 1,190,849.01

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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.