Home / 615,588.32-849,865.26-469,245.22

Finding the Fourth Proportional to 615,588.32, 849,865.26 and 469,245.22

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Solution

The fourth proportional to 615,588.32, 849,865.26 and 469,245.22 is: 647,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,588.32 : 849,865.26 = 469,245.22 : x
  2. Step 2: Convert to fraction form
    615,588.32/849,865.26 = 469,245.22/x
  3. Step 3: Cross multiply
    615,588.32x = 849,865.26 × 469,245.22
  4. Step 4: Simplify right side
    615,588.32x = 398,795,210,534.06
  5. Step 5: Solve for x
    x = 398,795,210,534.06/615,588.32
  6. Step 6: Final answer
    x = 647,827.77

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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.