Home / 326,486.40-450,581.28-190,510.08

Finding the Fourth Proportional to 326,486.40, 450,581.28 and 190,510.08

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Solution

The fourth proportional to 326,486.40, 450,581.28 and 190,510.08 is: 262,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,486.40 : 450,581.28 = 190,510.08 : x
  2. Step 2: Convert to fraction form
    326,486.40/450,581.28 = 190,510.08/x
  3. Step 3: Cross multiply
    326,486.40x = 450,581.28 × 190,510.08
  4. Step 4: Simplify right side
    326,486.40x = 85,840,275,699.30
  5. Step 5: Solve for x
    x = 85,840,275,699.30/326,486.40
  6. Step 6: Final answer
    x = 262,921.44

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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.