Home / 525,386.23-788,190.13-170,372.65

Finding the Fourth Proportional to 525,386.23, 788,190.13 and 170,372.65

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Solution

The fourth proportional to 525,386.23, 788,190.13 and 170,372.65 is: 255,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,386.23 : 788,190.13 = 170,372.65 : x
  2. Step 2: Convert to fraction form
    525,386.23/788,190.13 = 170,372.65/x
  3. Step 3: Cross multiply
    525,386.23x = 788,190.13 × 170,372.65
  4. Step 4: Simplify right side
    525,386.23x = 134,286,041,151.95
  5. Step 5: Solve for x
    x = 134,286,041,151.95/525,386.23
  6. Step 6: Final answer
    x = 255,594.90

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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.