Home / 423,086.09-634,032.41-233,631.74

Finding the Fourth Proportional to 423,086.09, 634,032.41 and 233,631.74

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Solution

The fourth proportional to 423,086.09, 634,032.41 and 233,631.74 is: 350,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,086.09 : 634,032.41 = 233,631.74 : x
  2. Step 2: Convert to fraction form
    423,086.09/634,032.41 = 233,631.74/x
  3. Step 3: Cross multiply
    423,086.09x = 634,032.41 × 233,631.74
  4. Step 4: Simplify right side
    423,086.09x = 148,130,090,826.37
  5. Step 5: Solve for x
    x = 148,130,090,826.37/423,086.09
  6. Step 6: Final answer
    x = 350,118.09

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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.