Home / 934,740.80-1,402,111.20-926,446.40

Finding the Fourth Proportional to 934,740.80, 1,402,111.20 and 926,446.40

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Solution

The fourth proportional to 934,740.80, 1,402,111.20 and 926,446.40 is: 1,389,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,740.80 : 1,402,111.20 = 926,446.40 : x
  2. Step 2: Convert to fraction form
    934,740.80/1,402,111.20 = 926,446.40/x
  3. Step 3: Cross multiply
    934,740.80x = 1,402,111.20 × 926,446.40
  4. Step 4: Simplify right side
    934,740.80x = 1,298,980,873,639.68
  5. Step 5: Solve for x
    x = 1,298,980,873,639.68/934,740.80
  6. Step 6: Final answer
    x = 1,389,669.60

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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.