Home / 693,552.68-1,039,913.79-288,256.17

Finding the Fourth Proportional to 693,552.68, 1,039,913.79 and 288,256.17

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Solution

The fourth proportional to 693,552.68, 1,039,913.79 and 288,256.17 is: 432,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,552.68 : 1,039,913.79 = 288,256.17 : x
  2. Step 2: Convert to fraction form
    693,552.68/1,039,913.79 = 288,256.17/x
  3. Step 3: Cross multiply
    693,552.68x = 1,039,913.79 × 288,256.17
  4. Step 4: Simplify right side
    693,552.68x = 299,761,564,826.23
  5. Step 5: Solve for x
    x = 299,761,564,826.23/693,552.68
  6. Step 6: Final answer
    x = 432,211.67

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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.