Home / 723,722.40-1,084,028.40-630,410.40

Finding the Fourth Proportional to 723,722.40, 1,084,028.40 and 630,410.40

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Solution

The fourth proportional to 723,722.40, 1,084,028.40 and 630,410.40 is: 944,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,722.40 : 1,084,028.40 = 630,410.40 : x
  2. Step 2: Convert to fraction form
    723,722.40/1,084,028.40 = 630,410.40/x
  3. Step 3: Cross multiply
    723,722.40x = 1,084,028.40 × 630,410.40
  4. Step 4: Simplify right side
    723,722.40x = 683,382,777,255.36
  5. Step 5: Solve for x
    x = 683,382,777,255.36/723,722.40
  6. Step 6: Final answer
    x = 944,260.92

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Double scale
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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.