Home / 907,487.80-1,361,887.80-507,704.20

Finding the Fourth Proportional to 907,487.80, 1,361,887.80 and 507,704.20

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Solution

The fourth proportional to 907,487.80, 1,361,887.80 and 507,704.20 is: 761,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,487.80 : 1,361,887.80 = 507,704.20 : x
  2. Step 2: Convert to fraction form
    907,487.80/1,361,887.80 = 507,704.20/x
  3. Step 3: Cross multiply
    907,487.80x = 1,361,887.80 × 507,704.20
  4. Step 4: Simplify right side
    907,487.80x = 691,436,155,988.76
  5. Step 5: Solve for x
    x = 691,436,155,988.76/907,487.80
  6. Step 6: Final answer
    x = 761,923.36

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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.