Home / 1,047,921.72-1,446,132-570,993.72

Finding the Fourth Proportional to 1,047,921.72, 1,446,132 and 570,993.72

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Solution

The fourth proportional to 1,047,921.72, 1,446,132 and 570,993.72 is: 787,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,921.72 : 1,446,132 = 570,993.72 : x
  2. Step 2: Convert to fraction form
    1,047,921.72/1,446,132 = 570,993.72/x
  3. Step 3: Cross multiply
    1,047,921.72x = 1,446,132 × 570,993.72
  4. Step 4: Simplify right side
    1,047,921.72x = 825,732,290,291.04
  5. Step 5: Solve for x
    x = 825,732,290,291.04/1,047,921.72
  6. Step 6: Final answer
    x = 787,971.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.