Home / 1,326,864.80-1,989,118.83-517,061.63

Finding the Fourth Proportional to 1,326,864.80, 1,989,118.83 and 517,061.63

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Solution

The fourth proportional to 1,326,864.80, 1,989,118.83 and 517,061.63 is: 775,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,864.80 : 1,989,118.83 = 517,061.63 : x
  2. Step 2: Convert to fraction form
    1,326,864.80/1,989,118.83 = 517,061.63/x
  3. Step 3: Cross multiply
    1,326,864.80x = 1,989,118.83 × 517,061.63
  4. Step 4: Simplify right side
    1,326,864.80x = 1,028,497,024,503.49
  5. Step 5: Solve for x
    x = 1,028,497,024,503.49/1,326,864.80
  6. Step 6: Final answer
    x = 775,133.25

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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.