Home / 823,898.77-1,235,852.27-291,420.29

Finding the Fourth Proportional to 823,898.77, 1,235,852.27 and 291,420.29

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Solution

The fourth proportional to 823,898.77, 1,235,852.27 and 291,420.29 is: 437,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,898.77 : 1,235,852.27 = 291,420.29 : x
  2. Step 2: Convert to fraction form
    823,898.77/1,235,852.27 = 291,420.29/x
  3. Step 3: Cross multiply
    823,898.77x = 1,235,852.27 × 291,420.29
  4. Step 4: Simplify right side
    823,898.77x = 360,152,426,920.56
  5. Step 5: Solve for x
    x = 360,152,426,920.56/823,898.77
  6. Step 6: Final answer
    x = 437,131.89

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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.