Home / 637,263.36-879,442.56-350,789.76

Finding the Fourth Proportional to 637,263.36, 879,442.56 and 350,789.76

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Solution

The fourth proportional to 637,263.36, 879,442.56 and 350,789.76 is: 484,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,263.36 : 879,442.56 = 350,789.76 : x
  2. Step 2: Convert to fraction form
    637,263.36/879,442.56 = 350,789.76/x
  3. Step 3: Cross multiply
    637,263.36x = 879,442.56 × 350,789.76
  4. Step 4: Simplify right side
    637,263.36x = 308,499,444,556.19
  5. Step 5: Solve for x
    x = 308,499,444,556.19/637,263.36
  6. Step 6: Final answer
    x = 484,100.40

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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.