Home / 1,209,088.30-1,817,569.05-856,543.90

Finding the Fourth Proportional to 1,209,088.30, 1,817,569.05 and 856,543.90

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Solution

The fourth proportional to 1,209,088.30, 1,817,569.05 and 856,543.90 is: 1,287,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,088.30 : 1,817,569.05 = 856,543.90 : x
  2. Step 2: Convert to fraction form
    1,209,088.30/1,817,569.05 = 856,543.90/x
  3. Step 3: Cross multiply
    1,209,088.30x = 1,817,569.05 × 856,543.90
  4. Step 4: Simplify right side
    1,209,088.30x = 1,556,827,682,606.30
  5. Step 5: Solve for x
    x = 1,556,827,682,606.30/1,209,088.30
  6. Step 6: Final answer
    x = 1,287,604.62

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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.