Home / 761,390.04-1,050,828.48-439,035.96

Finding the Fourth Proportional to 761,390.04, 1,050,828.48 and 439,035.96

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Solution

The fourth proportional to 761,390.04, 1,050,828.48 and 439,035.96 is: 605,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,390.04 : 1,050,828.48 = 439,035.96 : x
  2. Step 2: Convert to fraction form
    761,390.04/1,050,828.48 = 439,035.96/x
  3. Step 3: Cross multiply
    761,390.04x = 1,050,828.48 × 439,035.96
  4. Step 4: Simplify right side
    761,390.04x = 461,351,490,512.14
  5. Step 5: Solve for x
    x = 461,351,490,512.14/761,390.04
  6. Step 6: Final answer
    x = 605,933.18

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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.