Home / 677,789.18-934,582.08-432,445.58

Finding the Fourth Proportional to 677,789.18, 934,582.08 and 432,445.58

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Solution

The fourth proportional to 677,789.18, 934,582.08 and 432,445.58 is: 596,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,789.18 : 934,582.08 = 432,445.58 : x
  2. Step 2: Convert to fraction form
    677,789.18/934,582.08 = 432,445.58/x
  3. Step 3: Cross multiply
    677,789.18x = 934,582.08 × 432,445.58
  4. Step 4: Simplify right side
    677,789.18x = 404,155,889,643.21
  5. Step 5: Solve for x
    x = 404,155,889,643.21/677,789.18
  6. Step 6: Final answer
    x = 596,285.54

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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.