Home / 922,514.60-1,384,355.10-543,434.60

Finding the Fourth Proportional to 922,514.60, 1,384,355.10 and 543,434.60

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Solution

The fourth proportional to 922,514.60, 1,384,355.10 and 543,434.60 is: 815,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,514.60 : 1,384,355.10 = 543,434.60 : x
  2. Step 2: Convert to fraction form
    922,514.60/1,384,355.10 = 543,434.60/x
  3. Step 3: Cross multiply
    922,514.60x = 1,384,355.10 × 543,434.60
  4. Step 4: Simplify right side
    922,514.60x = 752,306,460,026.46
  5. Step 5: Solve for x
    x = 752,306,460,026.46/922,514.60
  6. Step 6: Final answer
    x = 815,495.45

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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.