Home / 805,323.40-1,208,130.90-404,956.60

Finding the Fourth Proportional to 805,323.40, 1,208,130.90 and 404,956.60

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Solution

The fourth proportional to 805,323.40, 1,208,130.90 and 404,956.60 is: 607,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,323.40 : 1,208,130.90 = 404,956.60 : x
  2. Step 2: Convert to fraction form
    805,323.40/1,208,130.90 = 404,956.60/x
  3. Step 3: Cross multiply
    805,323.40x = 1,208,130.90 × 404,956.60
  4. Step 4: Simplify right side
    805,323.40x = 489,240,581,618.94
  5. Step 5: Solve for x
    x = 489,240,581,618.94/805,323.40
  6. Step 6: Final answer
    x = 607,508.22

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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.