Home / 1,255,389.50-1,732,401-711,575.33

Finding the Fourth Proportional to 1,255,389.50, 1,732,401 and 711,575.33

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Solution

The fourth proportional to 1,255,389.50, 1,732,401 and 711,575.33 is: 981,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,389.50 : 1,732,401 = 711,575.33 : x
  2. Step 2: Convert to fraction form
    1,255,389.50/1,732,401 = 711,575.33/x
  3. Step 3: Cross multiply
    1,255,389.50x = 1,732,401 × 711,575.33
  4. Step 4: Simplify right side
    1,255,389.50x = 1,232,733,813,267.33
  5. Step 5: Solve for x
    x = 1,232,733,813,267.33/1,255,389.50
  6. Step 6: Final answer
    x = 981,953.26

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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.