Home / 768,572.55-1,152,834.12-347,848.83

Finding the Fourth Proportional to 768,572.55, 1,152,834.12 and 347,848.83

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Solution

The fourth proportional to 768,572.55, 1,152,834.12 and 347,848.83 is: 521,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,572.55 : 1,152,834.12 = 347,848.83 : x
  2. Step 2: Convert to fraction form
    768,572.55/1,152,834.12 = 347,848.83/x
  3. Step 3: Cross multiply
    768,572.55x = 1,152,834.12 × 347,848.83
  4. Step 4: Simplify right side
    768,572.55x = 401,011,999,826.08
  5. Step 5: Solve for x
    x = 401,011,999,826.08/768,572.55
  6. Step 6: Final answer
    x = 521,762.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.