Home / 769,746.30-1,154,510.10-264,330.60

Finding the Fourth Proportional to 769,746.30, 1,154,510.10 and 264,330.60

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Solution

The fourth proportional to 769,746.30, 1,154,510.10 and 264,330.60 is: 396,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,746.30 : 1,154,510.10 = 264,330.60 : x
  2. Step 2: Convert to fraction form
    769,746.30/1,154,510.10 = 264,330.60/x
  3. Step 3: Cross multiply
    769,746.30x = 1,154,510.10 × 264,330.60
  4. Step 4: Simplify right side
    769,746.30x = 305,172,347,439.06
  5. Step 5: Solve for x
    x = 305,172,347,439.06/769,746.30
  6. Step 6: Final answer
    x = 396,458.35

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Double scale
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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.