Home / 1,190,128.00-1,784,812.91-391,225.40

Finding the Fourth Proportional to 1,190,128.00, 1,784,812.91 and 391,225.40

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Solution

The fourth proportional to 1,190,128.00, 1,784,812.91 and 391,225.40 is: 586,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,128.00 : 1,784,812.91 = 391,225.40 : x
  2. Step 2: Convert to fraction form
    1,190,128.00/1,784,812.91 = 391,225.40/x
  3. Step 3: Cross multiply
    1,190,128.00x = 1,784,812.91 × 391,225.40
  4. Step 4: Simplify right side
    1,190,128.00x = 698,264,142,683.79
  5. Step 5: Solve for x
    x = 698,264,142,683.79/1,190,128.00
  6. Step 6: Final answer
    x = 586,713.48

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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.