Home / 447,210.08-617,060.40-256,283.36

Finding the Fourth Proportional to 447,210.08, 617,060.40 and 256,283.36

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Solution

The fourth proportional to 447,210.08, 617,060.40 and 256,283.36 is: 353,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,210.08 : 617,060.40 = 256,283.36 : x
  2. Step 2: Convert to fraction form
    447,210.08/617,060.40 = 256,283.36/x
  3. Step 3: Cross multiply
    447,210.08x = 617,060.40 × 256,283.36
  4. Step 4: Simplify right side
    447,210.08x = 158,142,312,634.94
  5. Step 5: Solve for x
    x = 158,142,312,634.94/447,210.08
  6. Step 6: Final answer
    x = 353,619.74

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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.