Home / 934,145.40-1,289,361.12-608,271.78

Finding the Fourth Proportional to 934,145.40, 1,289,361.12 and 608,271.78

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Solution

The fourth proportional to 934,145.40, 1,289,361.12 and 608,271.78 is: 839,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,145.40 : 1,289,361.12 = 608,271.78 : x
  2. Step 2: Convert to fraction form
    934,145.40/1,289,361.12 = 608,271.78/x
  3. Step 3: Cross multiply
    934,145.40x = 1,289,361.12 × 608,271.78
  4. Step 4: Simplify right side
    934,145.40x = 784,281,983,525.19
  5. Step 5: Solve for x
    x = 784,281,983,525.19/934,145.40
  6. Step 6: Final answer
    x = 839,571.64

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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.