Home / 862,932.49-1,190,887.59-480,962.01

Finding the Fourth Proportional to 862,932.49, 1,190,887.59 and 480,962.01

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Solution

The fourth proportional to 862,932.49, 1,190,887.59 and 480,962.01 is: 663,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,932.49 : 1,190,887.59 = 480,962.01 : x
  2. Step 2: Convert to fraction form
    862,932.49/1,190,887.59 = 480,962.01/x
  3. Step 3: Cross multiply
    862,932.49x = 1,190,887.59 × 480,962.01
  4. Step 4: Simplify right side
    862,932.49x = 572,771,688,970.46
  5. Step 5: Solve for x
    x = 572,771,688,970.46/862,932.49
  6. Step 6: Final answer
    x = 663,750.29

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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.