Home / 1,010,483.20-1,515,724.80-611,902.45

Finding the Fourth Proportional to 1,010,483.20, 1,515,724.80 and 611,902.45

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Solution

The fourth proportional to 1,010,483.20, 1,515,724.80 and 611,902.45 is: 917,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,483.20 : 1,515,724.80 = 611,902.45 : x
  2. Step 2: Convert to fraction form
    1,010,483.20/1,515,724.80 = 611,902.45/x
  3. Step 3: Cross multiply
    1,010,483.20x = 1,515,724.80 × 611,902.45
  4. Step 4: Simplify right side
    1,010,483.20x = 927,475,718,645.76
  5. Step 5: Solve for x
    x = 927,475,718,645.76/1,010,483.20
  6. Step 6: Final answer
    x = 917,853.68

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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.