Home / 705,434.12-973,385.34-433,414.52

Finding the Fourth Proportional to 705,434.12, 973,385.34 and 433,414.52

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Solution

The fourth proportional to 705,434.12, 973,385.34 and 433,414.52 is: 598,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,434.12 : 973,385.34 = 433,414.52 : x
  2. Step 2: Convert to fraction form
    705,434.12/973,385.34 = 433,414.52/x
  3. Step 3: Cross multiply
    705,434.12x = 973,385.34 × 433,414.52
  4. Step 4: Simplify right side
    705,434.12x = 421,879,339,911.14
  5. Step 5: Solve for x
    x = 421,879,339,911.14/705,434.12
  6. Step 6: Final answer
    x = 598,042.15

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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.