Home / 912,269.23-1,367,075.25-438,401.01

Finding the Fourth Proportional to 912,269.23, 1,367,075.25 and 438,401.01

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Solution

The fourth proportional to 912,269.23, 1,367,075.25 and 438,401.01 is: 656,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,269.23 : 1,367,075.25 = 438,401.01 : x
  2. Step 2: Convert to fraction form
    912,269.23/1,367,075.25 = 438,401.01/x
  3. Step 3: Cross multiply
    912,269.23x = 1,367,075.25 × 438,401.01
  4. Step 4: Simplify right side
    912,269.23x = 599,327,166,549.73
  5. Step 5: Solve for x
    x = 599,327,166,549.73/912,269.23
  6. Step 6: Final answer
    x = 656,963.04

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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.