Home / 692,217.18-955,079.19-405,583.26

Finding the Fourth Proportional to 692,217.18, 955,079.19 and 405,583.26

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Solution

The fourth proportional to 692,217.18, 955,079.19 and 405,583.26 is: 559,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,217.18 : 955,079.19 = 405,583.26 : x
  2. Step 2: Convert to fraction form
    692,217.18/955,079.19 = 405,583.26/x
  3. Step 3: Cross multiply
    692,217.18x = 955,079.19 × 405,583.26
  4. Step 4: Simplify right side
    692,217.18x = 387,364,131,438.36
  5. Step 5: Solve for x
    x = 387,364,131,438.36/692,217.18
  6. Step 6: Final answer
    x = 559,599.13

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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.