Home / 740,027.20-1,110,040.80-629,802.40

Finding the Fourth Proportional to 740,027.20, 1,110,040.80 and 629,802.40

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Solution

The fourth proportional to 740,027.20, 1,110,040.80 and 629,802.40 is: 944,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,027.20 : 1,110,040.80 = 629,802.40 : x
  2. Step 2: Convert to fraction form
    740,027.20/1,110,040.80 = 629,802.40/x
  3. Step 3: Cross multiply
    740,027.20x = 1,110,040.80 × 629,802.40
  4. Step 4: Simplify right side
    740,027.20x = 699,106,359,937.92
  5. Step 5: Solve for x
    x = 699,106,359,937.92/740,027.20
  6. Step 6: Final answer
    x = 944,703.60

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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.