Home / 1,053,612.48-1,453,449.30-640,039.34

Finding the Fourth Proportional to 1,053,612.48, 1,453,449.30 and 640,039.34

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Solution

The fourth proportional to 1,053,612.48, 1,453,449.30 and 640,039.34 is: 882,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,612.48 : 1,453,449.30 = 640,039.34 : x
  2. Step 2: Convert to fraction form
    1,053,612.48/1,453,449.30 = 640,039.34/x
  3. Step 3: Cross multiply
    1,053,612.48x = 1,453,449.30 × 640,039.34
  4. Step 4: Simplify right side
    1,053,612.48x = 930,264,730,695.46
  5. Step 5: Solve for x
    x = 930,264,730,695.46/1,053,612.48
  6. Step 6: Final answer
    x = 882,928.73

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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.