Home / 934,728.80-1,402,093.20-926,434.40

Finding the Fourth Proportional to 934,728.80, 1,402,093.20 and 926,434.40

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Solution

The fourth proportional to 934,728.80, 1,402,093.20 and 926,434.40 is: 1,389,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,728.80 : 1,402,093.20 = 926,434.40 : x
  2. Step 2: Convert to fraction form
    934,728.80/1,402,093.20 = 926,434.40/x
  3. Step 3: Cross multiply
    934,728.80x = 1,402,093.20 × 926,434.40
  4. Step 4: Simplify right side
    934,728.80x = 1,298,947,372,486.08
  5. Step 5: Solve for x
    x = 1,298,947,372,486.08/934,728.80
  6. Step 6: Final answer
    x = 1,389,651.60

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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.