Home / 905,763.08-1,249,956.23-497,900.34

Finding the Fourth Proportional to 905,763.08, 1,249,956.23 and 497,900.34

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Solution

The fourth proportional to 905,763.08, 1,249,956.23 and 497,900.34 is: 687,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,763.08 : 1,249,956.23 = 497,900.34 : x
  2. Step 2: Convert to fraction form
    905,763.08/1,249,956.23 = 497,900.34/x
  3. Step 3: Cross multiply
    905,763.08x = 1,249,956.23 × 497,900.34
  4. Step 4: Simplify right side
    905,763.08x = 622,353,629,412.62
  5. Step 5: Solve for x
    x = 622,353,629,412.62/905,763.08
  6. Step 6: Final answer
    x = 687,104.21

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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.