Home / 1,417,815.90-2,127,041.10-519,239.70

Finding the Fourth Proportional to 1,417,815.90, 2,127,041.10 and 519,239.70

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Solution

The fourth proportional to 1,417,815.90, 2,127,041.10 and 519,239.70 is: 778,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,815.90 : 2,127,041.10 = 519,239.70 : x
  2. Step 2: Convert to fraction form
    1,417,815.90/2,127,041.10 = 519,239.70/x
  3. Step 3: Cross multiply
    1,417,815.90x = 2,127,041.10 × 519,239.70
  4. Step 4: Simplify right side
    1,417,815.90x = 1,104,444,182,651.67
  5. Step 5: Solve for x
    x = 1,104,444,182,651.67/1,417,815.90
  6. Step 6: Final answer
    x = 778,975.73

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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.