Home / 887,296.16-1,330,681.80-256,215.44

Finding the Fourth Proportional to 887,296.16, 1,330,681.80 and 256,215.44

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Solution

The fourth proportional to 887,296.16, 1,330,681.80 and 256,215.44 is: 384,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,296.16 : 1,330,681.80 = 256,215.44 : x
  2. Step 2: Convert to fraction form
    887,296.16/1,330,681.80 = 256,215.44/x
  3. Step 3: Cross multiply
    887,296.16x = 1,330,681.80 × 256,215.44
  4. Step 4: Simplify right side
    887,296.16x = 340,941,222,886.99
  5. Step 5: Solve for x
    x = 340,941,222,886.99/887,296.16
  6. Step 6: Final answer
    x = 384,247.38

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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.