Home / 2,358,020-3,253,914.51-1,390,928.60

Finding the Fourth Proportional to 2,358,020, 3,253,914.51 and 1,390,928.60

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Solution

The fourth proportional to 2,358,020, 3,253,914.51 and 1,390,928.60 is: 1,919,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358,020 : 3,253,914.51 = 1,390,928.60 : x
  2. Step 2: Convert to fraction form
    2,358,020/3,253,914.51 = 1,390,928.60/x
  3. Step 3: Cross multiply
    2,358,020x = 3,253,914.51 × 1,390,928.60
  4. Step 4: Simplify right side
    2,358,020x = 4,525,962,753,913.99
  5. Step 5: Solve for x
    x = 4,525,962,753,913.99/2,358,020
  6. Step 6: Final answer
    x = 1,919,391.16

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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.