Home / 819,096.19-1,228,681.16-313,526.04

Finding the Fourth Proportional to 819,096.19, 1,228,681.16 and 313,526.04

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Solution

The fourth proportional to 819,096.19, 1,228,681.16 and 313,526.04 is: 470,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,096.19 : 1,228,681.16 = 313,526.04 : x
  2. Step 2: Convert to fraction form
    819,096.19/1,228,681.16 = 313,526.04/x
  3. Step 3: Cross multiply
    819,096.19x = 1,228,681.16 × 313,526.04
  4. Step 4: Simplify right side
    819,096.19x = 385,223,538,517.41
  5. Step 5: Solve for x
    x = 385,223,538,517.41/819,096.19
  6. Step 6: Final answer
    x = 470,303.17

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1.5x scale

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.