Home / 744,981.06-1,117,274.76-212,532.42

Finding the Fourth Proportional to 744,981.06, 1,117,274.76 and 212,532.42

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Solution

The fourth proportional to 744,981.06, 1,117,274.76 and 212,532.42 is: 318,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,981.06 : 1,117,274.76 = 212,532.42 : x
  2. Step 2: Convert to fraction form
    744,981.06/1,117,274.76 = 212,532.42/x
  3. Step 3: Cross multiply
    744,981.06x = 1,117,274.76 × 212,532.42
  4. Step 4: Simplify right side
    744,981.06x = 237,457,108,547.72
  5. Step 5: Solve for x
    x = 237,457,108,547.72/744,981.06
  6. Step 6: Final answer
    x = 318,742.48

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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.