Home / 935,176.19-1,402,328.30-485,776.37

Finding the Fourth Proportional to 935,176.19, 1,402,328.30 and 485,776.37

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Solution

The fourth proportional to 935,176.19, 1,402,328.30 and 485,776.37 is: 728,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,176.19 : 1,402,328.30 = 485,776.37 : x
  2. Step 2: Convert to fraction form
    935,176.19/1,402,328.30 = 485,776.37/x
  3. Step 3: Cross multiply
    935,176.19x = 1,402,328.30 × 485,776.37
  4. Step 4: Simplify right side
    935,176.19x = 681,217,952,199.21
  5. Step 5: Solve for x
    x = 681,217,952,199.21/935,176.19
  6. Step 6: Final answer
    x = 728,438.09

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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.