Home / 928,290.16-1,392,506.52-395,813.98

Finding the Fourth Proportional to 928,290.16, 1,392,506.52 and 395,813.98

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Solution

The fourth proportional to 928,290.16, 1,392,506.52 and 395,813.98 is: 593,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,290.16 : 1,392,506.52 = 395,813.98 : x
  2. Step 2: Convert to fraction form
    928,290.16/1,392,506.52 = 395,813.98/x
  3. Step 3: Cross multiply
    928,290.16x = 1,392,506.52 × 395,813.98
  4. Step 4: Simplify right side
    928,290.16x = 551,173,547,857.15
  5. Step 5: Solve for x
    x = 551,173,547,857.15/928,290.16
  6. Step 6: Final answer
    x = 593,751.36

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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.