Home / 705,819.55-974,037.15-383,529.65

Finding the Fourth Proportional to 705,819.55, 974,037.15 and 383,529.65

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Solution

The fourth proportional to 705,819.55, 974,037.15 and 383,529.65 is: 529,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,819.55 : 974,037.15 = 383,529.65 : x
  2. Step 2: Convert to fraction form
    705,819.55/974,037.15 = 383,529.65/x
  3. Step 3: Cross multiply
    705,819.55x = 974,037.15 × 383,529.65
  4. Step 4: Simplify right side
    705,819.55x = 373,572,127,226.50
  5. Step 5: Solve for x
    x = 373,572,127,226.50/705,819.55
  6. Step 6: Final answer
    x = 529,274.27

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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.