Home / 1,412,228.47-2,118,324.34-347,279.83

Finding the Fourth Proportional to 1,412,228.47, 2,118,324.34 and 347,279.83

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Solution

The fourth proportional to 1,412,228.47, 2,118,324.34 and 347,279.83 is: 520,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,228.47 : 2,118,324.34 = 347,279.83 : x
  2. Step 2: Convert to fraction form
    1,412,228.47/2,118,324.34 = 347,279.83/x
  3. Step 3: Cross multiply
    1,412,228.47x = 2,118,324.34 × 347,279.83
  4. Step 4: Simplify right side
    1,412,228.47x = 735,651,316,680.06
  5. Step 5: Solve for x
    x = 735,651,316,680.06/1,412,228.47
  6. Step 6: Final answer
    x = 520,915.23

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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.