Home / 426,976.92-589,206.96-235,985.40

Finding the Fourth Proportional to 426,976.92, 589,206.96 and 235,985.40

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Solution

The fourth proportional to 426,976.92, 589,206.96 and 235,985.40 is: 325,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,976.92 : 589,206.96 = 235,985.40 : x
  2. Step 2: Convert to fraction form
    426,976.92/589,206.96 = 235,985.40/x
  3. Step 3: Cross multiply
    426,976.92x = 589,206.96 × 235,985.40
  4. Step 4: Simplify right side
    426,976.92x = 139,044,240,138.38
  5. Step 5: Solve for x
    x = 139,044,240,138.38/426,976.92
  6. Step 6: Final answer
    x = 325,648.14

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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.