Home / 445,923.99-615,199.93-254,834.87

Finding the Fourth Proportional to 445,923.99, 615,199.93 and 254,834.87

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Solution

The fourth proportional to 445,923.99, 615,199.93 and 254,834.87 is: 351,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,923.99 : 615,199.93 = 254,834.87 : x
  2. Step 2: Convert to fraction form
    445,923.99/615,199.93 = 254,834.87/x
  3. Step 3: Cross multiply
    445,923.99x = 615,199.93 × 254,834.87
  4. Step 4: Simplify right side
    445,923.99x = 156,774,390,472.47
  5. Step 5: Solve for x
    x = 156,774,390,472.47/445,923.99
  6. Step 6: Final answer
    x = 351,572.00

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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.