Home / 1,118,854.60-1,678,281.90-519,616.60

Finding the Fourth Proportional to 1,118,854.60, 1,678,281.90 and 519,616.60

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Solution

The fourth proportional to 1,118,854.60, 1,678,281.90 and 519,616.60 is: 779,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,854.60 : 1,678,281.90 = 519,616.60 : x
  2. Step 2: Convert to fraction form
    1,118,854.60/1,678,281.90 = 519,616.60/x
  3. Step 3: Cross multiply
    1,118,854.60x = 1,678,281.90 × 519,616.60
  4. Step 4: Simplify right side
    1,118,854.60x = 872,063,134,719.54
  5. Step 5: Solve for x
    x = 872,063,134,719.54/1,118,854.60
  6. Step 6: Final answer
    x = 779,424.90

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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.