Home / 1,588,256.69-2,191,787.03-863,090.69

Finding the Fourth Proportional to 1,588,256.69, 2,191,787.03 and 863,090.69

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Solution

The fourth proportional to 1,588,256.69, 2,191,787.03 and 863,090.69 is: 1,191,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,256.69 : 2,191,787.03 = 863,090.69 : x
  2. Step 2: Convert to fraction form
    1,588,256.69/2,191,787.03 = 863,090.69/x
  3. Step 3: Cross multiply
    1,588,256.69x = 2,191,787.03 × 863,090.69
  4. Step 4: Simplify right side
    1,588,256.69x = 1,891,710,971,254.54
  5. Step 5: Solve for x
    x = 1,891,710,971,254.54/1,588,256.69
  6. Step 6: Final answer
    x = 1,191,061.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.