Home / 697,644.80-1,046,467.20-342,886.40

Finding the Fourth Proportional to 697,644.80, 1,046,467.20 and 342,886.40

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Solution

The fourth proportional to 697,644.80, 1,046,467.20 and 342,886.40 is: 514,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,644.80 : 1,046,467.20 = 342,886.40 : x
  2. Step 2: Convert to fraction form
    697,644.80/1,046,467.20 = 342,886.40/x
  3. Step 3: Cross multiply
    697,644.80x = 1,046,467.20 × 342,886.40
  4. Step 4: Simplify right side
    697,644.80x = 358,819,370,926.08
  5. Step 5: Solve for x
    x = 358,819,370,926.08/697,644.80
  6. Step 6: Final answer
    x = 514,329.60

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Double scale
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Similar ratio
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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.