Home / 628,225.28-942,347.88-154,910.76

Finding the Fourth Proportional to 628,225.28, 942,347.88 and 154,910.76

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Solution

The fourth proportional to 628,225.28, 942,347.88 and 154,910.76 is: 232,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,225.28 : 942,347.88 = 154,910.76 : x
  2. Step 2: Convert to fraction form
    628,225.28/942,347.88 = 154,910.76/x
  3. Step 3: Cross multiply
    628,225.28x = 942,347.88 × 154,910.76
  4. Step 4: Simplify right side
    628,225.28x = 145,979,826,275.19
  5. Step 5: Solve for x
    x = 145,979,826,275.19/628,225.28
  6. Step 6: Final answer
    x = 232,368.60

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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.