Home / 1,118,703.57-1,676,931.75-359,987.43

Finding the Fourth Proportional to 1,118,703.57, 1,676,931.75 and 359,987.43

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Solution

The fourth proportional to 1,118,703.57, 1,676,931.75 and 359,987.43 is: 539,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,703.57 : 1,676,931.75 = 359,987.43 : x
  2. Step 2: Convert to fraction form
    1,118,703.57/1,676,931.75 = 359,987.43/x
  3. Step 3: Cross multiply
    1,118,703.57x = 1,676,931.75 × 359,987.43
  4. Step 4: Simplify right side
    1,118,703.57x = 603,674,350,967.90
  5. Step 5: Solve for x
    x = 603,674,350,967.90/1,118,703.57
  6. Step 6: Final answer
    x = 539,619.58

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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.