Home / 705,945.87-974,211.41-383,656.04

Finding the Fourth Proportional to 705,945.87, 974,211.41 and 383,656.04

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Solution

The fourth proportional to 705,945.87, 974,211.41 and 383,656.04 is: 529,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,945.87 : 974,211.41 = 383,656.04 : x
  2. Step 2: Convert to fraction form
    705,945.87/974,211.41 = 383,656.04/x
  3. Step 3: Cross multiply
    705,945.87x = 974,211.41 × 383,656.04
  4. Step 4: Simplify right side
    705,945.87x = 373,762,087,771.50
  5. Step 5: Solve for x
    x = 373,762,087,771.50/705,945.87
  6. Step 6: Final answer
    x = 529,448.65

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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.