Home / 423,415.70-584,314.29-229,823.57

Finding the Fourth Proportional to 423,415.70, 584,314.29 and 229,823.57

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Solution

The fourth proportional to 423,415.70, 584,314.29 and 229,823.57 is: 317,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,415.70 : 584,314.29 = 229,823.57 : x
  2. Step 2: Convert to fraction form
    423,415.70/584,314.29 = 229,823.57/x
  3. Step 3: Cross multiply
    423,415.70x = 584,314.29 × 229,823.57
  4. Step 4: Simplify right side
    423,415.70x = 134,289,194,303.83
  5. Step 5: Solve for x
    x = 134,289,194,303.83/423,415.70
  6. Step 6: Final answer
    x = 317,156.86

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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.