Home / 559,276.11-771,822.88-317,581.36

Finding the Fourth Proportional to 559,276.11, 771,822.88 and 317,581.36

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Solution

The fourth proportional to 559,276.11, 771,822.88 and 317,581.36 is: 438,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,276.11 : 771,822.88 = 317,581.36 : x
  2. Step 2: Convert to fraction form
    559,276.11/771,822.88 = 317,581.36/x
  3. Step 3: Cross multiply
    559,276.11x = 771,822.88 × 317,581.36
  4. Step 4: Simplify right side
    559,276.11x = 245,116,557,186.01
  5. Step 5: Solve for x
    x = 245,116,557,186.01/559,276.11
  6. Step 6: Final answer
    x = 438,274.68

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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.