Home / 1,406,520.84-1,940,990.46-761,953.32

Finding the Fourth Proportional to 1,406,520.84, 1,940,990.46 and 761,953.32

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Solution

The fourth proportional to 1,406,520.84, 1,940,990.46 and 761,953.32 is: 1,051,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,520.84 : 1,940,990.46 = 761,953.32 : x
  2. Step 2: Convert to fraction form
    1,406,520.84/1,940,990.46 = 761,953.32/x
  3. Step 3: Cross multiply
    1,406,520.84x = 1,940,990.46 × 761,953.32
  4. Step 4: Simplify right side
    1,406,520.84x = 1,478,944,125,085.33
  5. Step 5: Solve for x
    x = 1,478,944,125,085.33/1,406,520.84
  6. Step 6: Final answer
    x = 1,051,491.09

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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.