Home / 977,544.40-1,465,879.20-444,791.20

Finding the Fourth Proportional to 977,544.40, 1,465,879.20 and 444,791.20

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Solution

The fourth proportional to 977,544.40, 1,465,879.20 and 444,791.20 is: 666,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,544.40 : 1,465,879.20 = 444,791.20 : x
  2. Step 2: Convert to fraction form
    977,544.40/1,465,879.20 = 444,791.20/x
  3. Step 3: Cross multiply
    977,544.40x = 1,465,879.20 × 444,791.20
  4. Step 4: Simplify right side
    977,544.40x = 652,010,168,423.04
  5. Step 5: Solve for x
    x = 652,010,168,423.04/977,544.40
  6. Step 6: Final answer
    x = 666,987.78

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1.5x scale

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.