Home / 1,405,599.52-1,939,728.48-761,020.16

Finding the Fourth Proportional to 1,405,599.52, 1,939,728.48 and 761,020.16

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Solution

The fourth proportional to 1,405,599.52, 1,939,728.48 and 761,020.16 is: 1,050,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,599.52 : 1,939,728.48 = 761,020.16 : x
  2. Step 2: Convert to fraction form
    1,405,599.52/1,939,728.48 = 761,020.16/x
  3. Step 3: Cross multiply
    1,405,599.52x = 1,939,728.48 × 761,020.16
  4. Step 4: Simplify right side
    1,405,599.52x = 1,476,172,478,206.16
  5. Step 5: Solve for x
    x = 1,476,172,478,206.16/1,405,599.52
  6. Step 6: Final answer
    x = 1,050,208.44

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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.