Home / 630,339.04-945,516.80-209,614.88

Finding the Fourth Proportional to 630,339.04, 945,516.80 and 209,614.88

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Solution

The fourth proportional to 630,339.04, 945,516.80 and 209,614.88 is: 314,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,339.04 : 945,516.80 = 209,614.88 : x
  2. Step 2: Convert to fraction form
    630,339.04/945,516.80 = 209,614.88/x
  3. Step 3: Cross multiply
    630,339.04x = 945,516.80 × 209,614.88
  4. Step 4: Simplify right side
    630,339.04x = 198,194,390,569.98
  5. Step 5: Solve for x
    x = 198,194,390,569.98/630,339.04
  6. Step 6: Final answer
    x = 314,425.06

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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.