Home / 585,935.10-878,931.45-305,999.10

Finding the Fourth Proportional to 585,935.10, 878,931.45 and 305,999.10

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Solution

The fourth proportional to 585,935.10, 878,931.45 and 305,999.10 is: 459,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,935.10 : 878,931.45 = 305,999.10 : x
  2. Step 2: Convert to fraction form
    585,935.10/878,931.45 = 305,999.10/x
  3. Step 3: Cross multiply
    585,935.10x = 878,931.45 × 305,999.10
  4. Step 4: Simplify right side
    585,935.10x = 268,952,232,661.70
  5. Step 5: Solve for x
    x = 268,952,232,661.70/585,935.10
  6. Step 6: Final answer
    x = 459,013.69

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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.