Home / 1,079,416.13-1,489,725.47-626,707.13

Finding the Fourth Proportional to 1,079,416.13, 1,489,725.47 and 626,707.13

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Solution

The fourth proportional to 1,079,416.13, 1,489,725.47 and 626,707.13 is: 864,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,416.13 : 1,489,725.47 = 626,707.13 : x
  2. Step 2: Convert to fraction form
    1,079,416.13/1,489,725.47 = 626,707.13/x
  3. Step 3: Cross multiply
    1,079,416.13x = 1,489,725.47 × 626,707.13
  4. Step 4: Simplify right side
    1,079,416.13x = 933,621,567,909.74
  5. Step 5: Solve for x
    x = 933,621,567,909.74/1,079,416.13
  6. Step 6: Final answer
    x = 864,932.02

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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.