Home / 862,045.07-1,189,537.04-480,107.39

Finding the Fourth Proportional to 862,045.07, 1,189,537.04 and 480,107.39

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Solution

The fourth proportional to 862,045.07, 1,189,537.04 and 480,107.39 is: 662,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,045.07 : 1,189,537.04 = 480,107.39 : x
  2. Step 2: Convert to fraction form
    862,045.07/1,189,537.04 = 480,107.39/x
  3. Step 3: Cross multiply
    862,045.07x = 1,189,537.04 × 480,107.39
  4. Step 4: Simplify right side
    862,045.07x = 571,105,518,835.31
  5. Step 5: Solve for x
    x = 571,105,518,835.31/862,045.07
  6. Step 6: Final answer
    x = 662,500.77

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Double scale
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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.