Home / 867,343.14-1,197,386.55-540,754.79

Finding the Fourth Proportional to 867,343.14, 1,197,386.55 and 540,754.79

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Solution

The fourth proportional to 867,343.14, 1,197,386.55 and 540,754.79 is: 746,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,343.14 : 1,197,386.55 = 540,754.79 : x
  2. Step 2: Convert to fraction form
    867,343.14/1,197,386.55 = 540,754.79/x
  3. Step 3: Cross multiply
    867,343.14x = 1,197,386.55 × 540,754.79
  4. Step 4: Simplify right side
    867,343.14x = 647,492,506,407.14
  5. Step 5: Solve for x
    x = 647,492,506,407.14/867,343.14
  6. Step 6: Final answer
    x = 746,524.04

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Double scale
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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.