Home / 1,853,455.32-2,780,411.97-655,130.52

Finding the Fourth Proportional to 1,853,455.32, 2,780,411.97 and 655,130.52

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Solution

The fourth proportional to 1,853,455.32, 2,780,411.97 and 655,130.52 is: 982,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,455.32 : 2,780,411.97 = 655,130.52 : x
  2. Step 2: Convert to fraction form
    1,853,455.32/2,780,411.97 = 655,130.52/x
  3. Step 3: Cross multiply
    1,853,455.32x = 2,780,411.97 × 655,130.52
  4. Step 4: Simplify right side
    1,853,455.32x = 1,821,532,739,720.32
  5. Step 5: Solve for x
    x = 1,821,532,739,720.32/1,853,455.32
  6. Step 6: Final answer
    x = 982,776.72

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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.