Home / 927,860.40-1,280,426.48-540,651.64

Finding the Fourth Proportional to 927,860.40, 1,280,426.48 and 540,651.64

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Solution

The fourth proportional to 927,860.40, 1,280,426.48 and 540,651.64 is: 746,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,860.40 : 1,280,426.48 = 540,651.64 : x
  2. Step 2: Convert to fraction form
    927,860.40/1,280,426.48 = 540,651.64/x
  3. Step 3: Cross multiply
    927,860.40x = 1,280,426.48 × 540,651.64
  4. Step 4: Simplify right side
    927,860.40x = 692,264,676,311.43
  5. Step 5: Solve for x
    x = 692,264,676,311.43/927,860.40
  6. Step 6: Final answer
    x = 746,087.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.