Home / 1,007,209.40-1,512,563.70-534,817.40

Finding the Fourth Proportional to 1,007,209.40, 1,512,563.70 and 534,817.40

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Solution

The fourth proportional to 1,007,209.40, 1,512,563.70 and 534,817.40 is: 803,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,209.40 : 1,512,563.70 = 534,817.40 : x
  2. Step 2: Convert to fraction form
    1,007,209.40/1,512,563.70 = 534,817.40/x
  3. Step 3: Cross multiply
    1,007,209.40x = 1,512,563.70 × 534,817.40
  4. Step 4: Simplify right side
    1,007,209.40x = 808,945,385,368.38
  5. Step 5: Solve for x
    x = 808,945,385,368.38/1,007,209.40
  6. Step 6: Final answer
    x = 803,155.12

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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.