Home / 926,315.80-1,389,603.30-393,832.60

Finding the Fourth Proportional to 926,315.80, 1,389,603.30 and 393,832.60

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Solution

The fourth proportional to 926,315.80, 1,389,603.30 and 393,832.60 is: 590,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,315.80 : 1,389,603.30 = 393,832.60 : x
  2. Step 2: Convert to fraction form
    926,315.80/1,389,603.30 = 393,832.60/x
  3. Step 3: Cross multiply
    926,315.80x = 1,389,603.30 × 393,832.60
  4. Step 4: Simplify right side
    926,315.80x = 547,271,080,607.58
  5. Step 5: Solve for x
    x = 547,271,080,607.58/926,315.80
  6. Step 6: Final answer
    x = 590,804.00

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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.