Home / 1,557,129.40-2,336,350.20-847,666.60

Finding the Fourth Proportional to 1,557,129.40, 2,336,350.20 and 847,666.60

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Solution

The fourth proportional to 1,557,129.40, 2,336,350.20 and 847,666.60 is: 1,271,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,129.40 : 2,336,350.20 = 847,666.60 : x
  2. Step 2: Convert to fraction form
    1,557,129.40/2,336,350.20 = 847,666.60/x
  3. Step 3: Cross multiply
    1,557,129.40x = 2,336,350.20 × 847,666.60
  4. Step 4: Simplify right side
    1,557,129.40x = 1,980,446,030,443.32
  5. Step 5: Solve for x
    x = 1,980,446,030,443.32/1,557,129.40
  6. Step 6: Final answer
    x = 1,271,857.07

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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.