Home / 612,720.04-918,584.34-275,513.80

Finding the Fourth Proportional to 612,720.04, 918,584.34 and 275,513.80

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Solution

The fourth proportional to 612,720.04, 918,584.34 and 275,513.80 is: 413,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,720.04 : 918,584.34 = 275,513.80 : x
  2. Step 2: Convert to fraction form
    612,720.04/918,584.34 = 275,513.80/x
  3. Step 3: Cross multiply
    612,720.04x = 918,584.34 × 275,513.80
  4. Step 4: Simplify right side
    612,720.04x = 253,082,662,133.89
  5. Step 5: Solve for x
    x = 253,082,662,133.89/612,720.04
  6. Step 6: Final answer
    x = 413,047.80

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1.5x scale

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.