Home / 602,189.56-828,935.76-520,480.54

Finding the Fourth Proportional to 602,189.56, 828,935.76 and 520,480.54

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Solution

The fourth proportional to 602,189.56, 828,935.76 and 520,480.54 is: 716,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,189.56 : 828,935.76 = 520,480.54 : x
  2. Step 2: Convert to fraction form
    602,189.56/828,935.76 = 520,480.54/x
  3. Step 3: Cross multiply
    602,189.56x = 828,935.76 × 520,480.54
  4. Step 4: Simplify right side
    602,189.56x = 431,444,931,990.11
  5. Step 5: Solve for x
    x = 431,444,931,990.11/602,189.56
  6. Step 6: Final answer
    x = 716,460.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.