Home / 623,390.46-860,282.76-336,909.84

Finding the Fourth Proportional to 623,390.46, 860,282.76 and 336,909.84

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Solution

The fourth proportional to 623,390.46, 860,282.76 and 336,909.84 is: 464,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,390.46 : 860,282.76 = 336,909.84 : x
  2. Step 2: Convert to fraction form
    623,390.46/860,282.76 = 336,909.84/x
  3. Step 3: Cross multiply
    623,390.46x = 860,282.76 × 336,909.84
  4. Step 4: Simplify right side
    623,390.46x = 289,837,727,026.36
  5. Step 5: Solve for x
    x = 289,837,727,026.36/623,390.46
  6. Step 6: Final answer
    x = 464,937.70

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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.