Home / 1,557,945.60-2,338,230.60-611,995.20

Finding the Fourth Proportional to 1,557,945.60, 2,338,230.60 and 611,995.20

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Solution

The fourth proportional to 1,557,945.60, 2,338,230.60 and 611,995.20 is: 918,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,945.60 : 2,338,230.60 = 611,995.20 : x
  2. Step 2: Convert to fraction form
    1,557,945.60/2,338,230.60 = 611,995.20/x
  3. Step 3: Cross multiply
    1,557,945.60x = 2,338,230.60 × 611,995.20
  4. Step 4: Simplify right side
    1,557,945.60x = 1,430,985,903,693.12
  5. Step 5: Solve for x
    x = 1,430,985,903,693.12/1,557,945.60
  6. Step 6: Final answer
    x = 918,508.26

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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.