Home / 714,913.64-1,072,518.11-209,491.11

Finding the Fourth Proportional to 714,913.64, 1,072,518.11 and 209,491.11

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Solution

The fourth proportional to 714,913.64, 1,072,518.11 and 209,491.11 is: 314,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,913.64 : 1,072,518.11 = 209,491.11 : x
  2. Step 2: Convert to fraction form
    714,913.64/1,072,518.11 = 209,491.11/x
  3. Step 3: Cross multiply
    714,913.64x = 1,072,518.11 × 209,491.11
  4. Step 4: Simplify right side
    714,913.64x = 224,683,010,275.53
  5. Step 5: Solve for x
    x = 224,683,010,275.53/714,913.64
  6. Step 6: Final answer
    x = 314,279.93

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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.