Home / 910,439.70-1,364,019.30-436,079.40

Finding the Fourth Proportional to 910,439.70, 1,364,019.30 and 436,079.40

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Solution

The fourth proportional to 910,439.70, 1,364,019.30 and 436,079.40 is: 653,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,439.70 : 1,364,019.30 = 436,079.40 : x
  2. Step 2: Convert to fraction form
    910,439.70/1,364,019.30 = 436,079.40/x
  3. Step 3: Cross multiply
    910,439.70x = 1,364,019.30 × 436,079.40
  4. Step 4: Simplify right side
    910,439.70x = 594,820,717,932.42
  5. Step 5: Solve for x
    x = 594,820,717,932.42/910,439.70
  6. Step 6: Final answer
    x = 653,333.46

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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.