Home / 697,920.32-1,046,095.68-355,402.64

Finding the Fourth Proportional to 697,920.32, 1,046,095.68 and 355,402.64

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Solution

The fourth proportional to 697,920.32, 1,046,095.68 and 355,402.64 is: 532,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,920.32 : 1,046,095.68 = 355,402.64 : x
  2. Step 2: Convert to fraction form
    697,920.32/1,046,095.68 = 355,402.64/x
  3. Step 3: Cross multiply
    697,920.32x = 1,046,095.68 × 355,402.64
  4. Step 4: Simplify right side
    697,920.32x = 371,785,166,364.60
  5. Step 5: Solve for x
    x = 371,785,166,364.60/697,920.32
  6. Step 6: Final answer
    x = 532,704.32

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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.