Home / 659,358.04-989,117.15-186,043.45

Finding the Fourth Proportional to 659,358.04, 989,117.15 and 186,043.45

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Solution

The fourth proportional to 659,358.04, 989,117.15 and 186,043.45 is: 279,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,358.04 : 989,117.15 = 186,043.45 : x
  2. Step 2: Convert to fraction form
    659,358.04/989,117.15 = 186,043.45/x
  3. Step 3: Cross multiply
    659,358.04x = 989,117.15 × 186,043.45
  4. Step 4: Simplify right side
    659,358.04x = 184,018,767,040.17
  5. Step 5: Solve for x
    x = 184,018,767,040.17/659,358.04
  6. Step 6: Final answer
    x = 279,087.77

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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.