Home / 1,363,981.40-2,045,971.76-465,423.06

Finding the Fourth Proportional to 1,363,981.40, 2,045,971.76 and 465,423.06

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Solution

The fourth proportional to 1,363,981.40, 2,045,971.76 and 465,423.06 is: 698,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,981.40 : 2,045,971.76 = 465,423.06 : x
  2. Step 2: Convert to fraction form
    1,363,981.40/2,045,971.76 = 465,423.06/x
  3. Step 3: Cross multiply
    1,363,981.40x = 2,045,971.76 × 465,423.06
  4. Step 4: Simplify right side
    1,363,981.40x = 952,242,445,176.07
  5. Step 5: Solve for x
    x = 952,242,445,176.07/1,363,981.40
  6. Step 6: Final answer
    x = 698,134.48

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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.