Home / 1,406,280.57-1,940,670.41-761,698.77

Finding the Fourth Proportional to 1,406,280.57, 1,940,670.41 and 761,698.77

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Solution

The fourth proportional to 1,406,280.57, 1,940,670.41 and 761,698.77 is: 1,051,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,280.57 : 1,940,670.41 = 761,698.77 : x
  2. Step 2: Convert to fraction form
    1,406,280.57/1,940,670.41 = 761,698.77/x
  3. Step 3: Cross multiply
    1,406,280.57x = 1,940,670.41 × 761,698.77
  4. Step 4: Simplify right side
    1,406,280.57x = 1,478,206,260,463.90
  5. Step 5: Solve for x
    x = 1,478,206,260,463.90/1,406,280.57
  6. Step 6: Final answer
    x = 1,051,146.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.