Home / 1,434,220-2,151,428.46-474,673.84

Finding the Fourth Proportional to 1,434,220, 2,151,428.46 and 474,673.84

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Solution

The fourth proportional to 1,434,220, 2,151,428.46 and 474,673.84 is: 712,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,220 : 2,151,428.46 = 474,673.84 : x
  2. Step 2: Convert to fraction form
    1,434,220/2,151,428.46 = 474,673.84/x
  3. Step 3: Cross multiply
    1,434,220x = 2,151,428.46 × 474,673.84
  4. Step 4: Simplify right side
    1,434,220x = 1,021,226,808,593.49
  5. Step 5: Solve for x
    x = 1,021,226,808,593.49/1,434,220
  6. Step 6: Final answer
    x = 712,043.35

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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.