Home / 824,412.60-1,236,618.90-291,929.40

Finding the Fourth Proportional to 824,412.60, 1,236,618.90 and 291,929.40

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Solution

The fourth proportional to 824,412.60, 1,236,618.90 and 291,929.40 is: 437,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,412.60 : 1,236,618.90 = 291,929.40 : x
  2. Step 2: Convert to fraction form
    824,412.60/1,236,618.90 = 291,929.40/x
  3. Step 3: Cross multiply
    824,412.60x = 1,236,618.90 × 291,929.40
  4. Step 4: Simplify right side
    824,412.60x = 361,005,413,505.66
  5. Step 5: Solve for x
    x = 361,005,413,505.66/824,412.60
  6. Step 6: Final answer
    x = 437,894.10

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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.