Home / 649,210.16-895,956.38-358,815.51

Finding the Fourth Proportional to 649,210.16, 895,956.38 and 358,815.51

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Solution

The fourth proportional to 649,210.16, 895,956.38 and 358,815.51 is: 495,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,210.16 : 895,956.38 = 358,815.51 : x
  2. Step 2: Convert to fraction form
    649,210.16/895,956.38 = 358,815.51/x
  3. Step 3: Cross multiply
    649,210.16x = 895,956.38 × 358,815.51
  4. Step 4: Simplify right side
    649,210.16x = 321,483,043,633.38
  5. Step 5: Solve for x
    x = 321,483,043,633.38/649,210.16
  6. Step 6: Final answer
    x = 495,191.03

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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.