Home / 1,439,116.61-2,158,280.84-540,488.84

Finding the Fourth Proportional to 1,439,116.61, 2,158,280.84 and 540,488.84

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Solution

The fourth proportional to 1,439,116.61, 2,158,280.84 and 540,488.84 is: 810,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,116.61 : 2,158,280.84 = 540,488.84 : x
  2. Step 2: Convert to fraction form
    1,439,116.61/2,158,280.84 = 540,488.84/x
  3. Step 3: Cross multiply
    1,439,116.61x = 2,158,280.84 × 540,488.84
  4. Step 4: Simplify right side
    1,439,116.61x = 1,166,526,698,165.64
  5. Step 5: Solve for x
    x = 1,166,526,698,165.64/1,439,116.61
  6. Step 6: Final answer
    x = 810,585.25

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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.