Home / 955,075.72-1,432,790.76-315,423.76

Finding the Fourth Proportional to 955,075.72, 1,432,790.76 and 315,423.76

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Solution

The fourth proportional to 955,075.72, 1,432,790.76 and 315,423.76 is: 473,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,075.72 : 1,432,790.76 = 315,423.76 : x
  2. Step 2: Convert to fraction form
    955,075.72/1,432,790.76 = 315,423.76/x
  3. Step 3: Cross multiply
    955,075.72x = 1,432,790.76 × 315,423.76
  4. Step 4: Simplify right side
    955,075.72x = 451,936,248,812.46
  5. Step 5: Solve for x
    x = 451,936,248,812.46/955,075.72
  6. Step 6: Final answer
    x = 473,194.16

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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.