Home / 1,557,741.60-2,336,612.40-611,143.20

Finding the Fourth Proportional to 1,557,741.60, 2,336,612.40 and 611,143.20

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Solution

The fourth proportional to 1,557,741.60, 2,336,612.40 and 611,143.20 is: 916,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,741.60 : 2,336,612.40 = 611,143.20 : x
  2. Step 2: Convert to fraction form
    1,557,741.60/2,336,612.40 = 611,143.20/x
  3. Step 3: Cross multiply
    1,557,741.60x = 2,336,612.40 × 611,143.20
  4. Step 4: Simplify right side
    1,557,741.60x = 1,428,004,779,295.68
  5. Step 5: Solve for x
    x = 1,428,004,779,295.68/1,557,741.60
  6. Step 6: Final answer
    x = 916,714.80

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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.