Home / 369,869.16-554,979.25-256,191.77

Finding the Fourth Proportional to 369,869.16, 554,979.25 and 256,191.77

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Solution

The fourth proportional to 369,869.16, 554,979.25 and 256,191.77 is: 384,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,869.16 : 554,979.25 = 256,191.77 : x
  2. Step 2: Convert to fraction form
    369,869.16/554,979.25 = 256,191.77/x
  3. Step 3: Cross multiply
    369,869.16x = 554,979.25 × 256,191.77
  4. Step 4: Simplify right side
    369,869.16x = 142,181,113,515.62
  5. Step 5: Solve for x
    x = 142,181,113,515.62/369,869.16
  6. Step 6: Final answer
    x = 384,409.22

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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.