Home / 761,048.52-1,140,580.80-424,075.56

Finding the Fourth Proportional to 761,048.52, 1,140,580.80 and 424,075.56

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Solution

The fourth proportional to 761,048.52, 1,140,580.80 and 424,075.56 is: 635,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,048.52 : 1,140,580.80 = 424,075.56 : x
  2. Step 2: Convert to fraction form
    761,048.52/1,140,580.80 = 424,075.56/x
  3. Step 3: Cross multiply
    761,048.52x = 1,140,580.80 × 424,075.56
  4. Step 4: Simplify right side
    761,048.52x = 483,692,441,485.25
  5. Step 5: Solve for x
    x = 483,692,441,485.25/761,048.52
  6. Step 6: Final answer
    x = 635,560.58

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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.