Home / 931,358.49-1,395,869.06-398,252.64

Finding the Fourth Proportional to 931,358.49, 1,395,869.06 and 398,252.64

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Solution

The fourth proportional to 931,358.49, 1,395,869.06 and 398,252.64 is: 596,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,358.49 : 1,395,869.06 = 398,252.64 : x
  2. Step 2: Convert to fraction form
    931,358.49/1,395,869.06 = 398,252.64/x
  3. Step 3: Cross multiply
    931,358.49x = 1,395,869.06 × 398,252.64
  4. Step 4: Simplify right side
    931,358.49x = 555,908,539,234.95
  5. Step 5: Solve for x
    x = 555,908,539,234.95/931,358.49
  6. Step 6: Final answer
    x = 596,879.23

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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.