Home / 623,736.04-860,706.20-351,716.98

Finding the Fourth Proportional to 623,736.04, 860,706.20 and 351,716.98

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Solution

The fourth proportional to 623,736.04, 860,706.20 and 351,716.98 is: 485,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,736.04 : 860,706.20 = 351,716.98 : x
  2. Step 2: Convert to fraction form
    623,736.04/860,706.20 = 351,716.98/x
  3. Step 3: Cross multiply
    623,736.04x = 860,706.20 × 351,716.98
  4. Step 4: Simplify right side
    623,736.04x = 302,724,985,331.28
  5. Step 5: Solve for x
    x = 302,724,985,331.28/623,736.04
  6. Step 6: Final answer
    x = 485,341.50

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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.