Home / 623,437.41-860,326.38-351,502.90

Finding the Fourth Proportional to 623,437.41, 860,326.38 and 351,502.90

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Solution

The fourth proportional to 623,437.41, 860,326.38 and 351,502.90 is: 485,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,437.41 : 860,326.38 = 351,502.90 : x
  2. Step 2: Convert to fraction form
    623,437.41/860,326.38 = 351,502.90/x
  3. Step 3: Cross multiply
    623,437.41x = 860,326.38 × 351,502.90
  4. Step 4: Simplify right side
    623,437.41x = 302,407,217,516.50
  5. Step 5: Solve for x
    x = 302,407,217,516.50/623,437.41
  6. Step 6: Final answer
    x = 485,064.28

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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.