Home / 623,441.67-860,332.25-351,507.15

Finding the Fourth Proportional to 623,441.67, 860,332.25 and 351,507.15

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Solution

The fourth proportional to 623,441.67, 860,332.25 and 351,507.15 is: 485,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,441.67 : 860,332.25 = 351,507.15 : x
  2. Step 2: Convert to fraction form
    623,441.67/860,332.25 = 351,507.15/x
  3. Step 3: Cross multiply
    623,441.67x = 860,332.25 × 351,507.15
  4. Step 4: Simplify right side
    623,441.67x = 302,412,935,493.05
  5. Step 5: Solve for x
    x = 302,412,935,493.05/623,441.67
  6. Step 6: Final answer
    x = 485,070.14

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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.