Home / 975,271.60-1,462,907.40-310,490.80

Finding the Fourth Proportional to 975,271.60, 1,462,907.40 and 310,490.80

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Solution

The fourth proportional to 975,271.60, 1,462,907.40 and 310,490.80 is: 465,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,271.60 : 1,462,907.40 = 310,490.80 : x
  2. Step 2: Convert to fraction form
    975,271.60/1,462,907.40 = 310,490.80/x
  3. Step 3: Cross multiply
    975,271.60x = 1,462,907.40 × 310,490.80
  4. Step 4: Simplify right side
    975,271.60x = 454,219,288,951.92
  5. Step 5: Solve for x
    x = 454,219,288,951.92/975,271.60
  6. Step 6: Final answer
    x = 465,736.20

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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.