Home / 1,187,017.04-1,637,179.56-1,021,726.32

Finding the Fourth Proportional to 1,187,017.04, 1,637,179.56 and 1,021,726.32

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Solution

The fourth proportional to 1,187,017.04, 1,637,179.56 and 1,021,726.32 is: 1,409,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,017.04 : 1,637,179.56 = 1,021,726.32 : x
  2. Step 2: Convert to fraction form
    1,187,017.04/1,637,179.56 = 1,021,726.32/x
  3. Step 3: Cross multiply
    1,187,017.04x = 1,637,179.56 × 1,021,726.32
  4. Step 4: Simplify right side
    1,187,017.04x = 1,672,749,447,018.02
  5. Step 5: Solve for x
    x = 1,672,749,447,018.02/1,187,017.04
  6. Step 6: Final answer
    x = 1,409,204.24

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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.