Home / 705,815.10-974,026.08-383,529.06

Finding the Fourth Proportional to 705,815.10, 974,026.08 and 383,529.06

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Solution

The fourth proportional to 705,815.10, 974,026.08 and 383,529.06 is: 529,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,815.10 : 974,026.08 = 383,529.06 : x
  2. Step 2: Convert to fraction form
    705,815.10/974,026.08 = 383,529.06/x
  3. Step 3: Cross multiply
    705,815.10x = 974,026.08 × 383,529.06
  4. Step 4: Simplify right side
    705,815.10x = 373,567,306,877.89
  5. Step 5: Solve for x
    x = 373,567,306,877.89/705,815.10
  6. Step 6: Final answer
    x = 529,270.78

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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.