Home / 1,358,066.34-2,038,056.78-638,440.89

Finding the Fourth Proportional to 1,358,066.34, 2,038,056.78 and 638,440.89

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Solution

The fourth proportional to 1,358,066.34, 2,038,056.78 and 638,440.89 is: 958,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,066.34 : 2,038,056.78 = 638,440.89 : x
  2. Step 2: Convert to fraction form
    1,358,066.34/2,038,056.78 = 638,440.89/x
  3. Step 3: Cross multiply
    1,358,066.34x = 2,038,056.78 × 638,440.89
  4. Step 4: Simplify right side
    1,358,066.34x = 1,301,178,784,493.73
  5. Step 5: Solve for x
    x = 1,301,178,784,493.73/1,358,066.34
  6. Step 6: Final answer
    x = 958,111.36

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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.