Home / 624,973.80-862,516.90-353,091.56

Finding the Fourth Proportional to 624,973.80, 862,516.90 and 353,091.56

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Solution

The fourth proportional to 624,973.80, 862,516.90 and 353,091.56 is: 487,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,973.80 : 862,516.90 = 353,091.56 : x
  2. Step 2: Convert to fraction form
    624,973.80/862,516.90 = 353,091.56/x
  3. Step 3: Cross multiply
    624,973.80x = 862,516.90 × 353,091.56
  4. Step 4: Simplify right side
    624,973.80x = 304,547,437,747.36
  5. Step 5: Solve for x
    x = 304,547,437,747.36/624,973.80
  6. Step 6: Final answer
    x = 487,296.33

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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.