Home / 572,075.47-858,149.66-193,034.35

Finding the Fourth Proportional to 572,075.47, 858,149.66 and 193,034.35

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Solution

The fourth proportional to 572,075.47, 858,149.66 and 193,034.35 is: 289,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,075.47 : 858,149.66 = 193,034.35 : x
  2. Step 2: Convert to fraction form
    572,075.47/858,149.66 = 193,034.35/x
  3. Step 3: Cross multiply
    572,075.47x = 858,149.66 × 193,034.35
  4. Step 4: Simplify right side
    572,075.47x = 165,652,361,820.82
  5. Step 5: Solve for x
    x = 165,652,361,820.82/572,075.47
  6. Step 6: Final answer
    x = 289,563.83

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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.