Home / 1,409,814.18-2,114,802.78-398,851.46

Finding the Fourth Proportional to 1,409,814.18, 2,114,802.78 and 398,851.46

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Solution

The fourth proportional to 1,409,814.18, 2,114,802.78 and 398,851.46 is: 598,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,814.18 : 2,114,802.78 = 398,851.46 : x
  2. Step 2: Convert to fraction form
    1,409,814.18/2,114,802.78 = 398,851.46/x
  3. Step 3: Cross multiply
    1,409,814.18x = 2,114,802.78 × 398,851.46
  4. Step 4: Simplify right side
    1,409,814.18x = 843,492,176,415.06
  5. Step 5: Solve for x
    x = 843,492,176,415.06/1,409,814.18
  6. Step 6: Final answer
    x = 598,300.25

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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.