Home / 776,500.65-1,071,568.71-436,968.90

Finding the Fourth Proportional to 776,500.65, 1,071,568.71 and 436,968.90

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Solution

The fourth proportional to 776,500.65, 1,071,568.71 and 436,968.90 is: 603,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,500.65 : 1,071,568.71 = 436,968.90 : x
  2. Step 2: Convert to fraction form
    776,500.65/1,071,568.71 = 436,968.90/x
  3. Step 3: Cross multiply
    776,500.65x = 1,071,568.71 × 436,968.90
  4. Step 4: Simplify right side
    776,500.65x = 468,242,200,483.12
  5. Step 5: Solve for x
    x = 468,242,200,483.12/776,500.65
  6. Step 6: Final answer
    x = 603,015.85

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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.