Home / 984,146.56-1,358,126.40-554,431.84

Finding the Fourth Proportional to 984,146.56, 1,358,126.40 and 554,431.84

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Solution

The fourth proportional to 984,146.56, 1,358,126.40 and 554,431.84 is: 765,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,146.56 : 1,358,126.40 = 554,431.84 : x
  2. Step 2: Convert to fraction form
    984,146.56/1,358,126.40 = 554,431.84/x
  3. Step 3: Cross multiply
    984,146.56x = 1,358,126.40 × 554,431.84
  4. Step 4: Simplify right side
    984,146.56x = 752,988,518,904.58
  5. Step 5: Solve for x
    x = 752,988,518,904.58/984,146.56
  6. Step 6: Final answer
    x = 765,118.28

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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.