Home / 705,945.12-974,210.38-383,655.29

Finding the Fourth Proportional to 705,945.12, 974,210.38 and 383,655.29

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Solution

The fourth proportional to 705,945.12, 974,210.38 and 383,655.29 is: 529,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,945.12 : 974,210.38 = 383,655.29 : x
  2. Step 2: Convert to fraction form
    705,945.12/974,210.38 = 383,655.29/x
  3. Step 3: Cross multiply
    705,945.12x = 974,210.38 × 383,655.29
  4. Step 4: Simplify right side
    705,945.12x = 373,760,960,029.72
  5. Step 5: Solve for x
    x = 373,760,960,029.72/705,945.12
  6. Step 6: Final answer
    x = 529,447.62

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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.