Home / 740,036.20-1,110,054.30-629,811.40

Finding the Fourth Proportional to 740,036.20, 1,110,054.30 and 629,811.40

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Solution

The fourth proportional to 740,036.20, 1,110,054.30 and 629,811.40 is: 944,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,036.20 : 1,110,054.30 = 629,811.40 : x
  2. Step 2: Convert to fraction form
    740,036.20/1,110,054.30 = 629,811.40/x
  3. Step 3: Cross multiply
    740,036.20x = 1,110,054.30 × 629,811.40
  4. Step 4: Simplify right side
    740,036.20x = 699,124,852,759.02
  5. Step 5: Solve for x
    x = 699,124,852,759.02/740,036.20
  6. Step 6: Final answer
    x = 944,717.10

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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.