Home / 1,920,140.96-2,877,055.60-657,279.68

Finding the Fourth Proportional to 1,920,140.96, 2,877,055.60 and 657,279.68

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Solution

The fourth proportional to 1,920,140.96, 2,877,055.60 and 657,279.68 is: 984,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,140.96 : 2,877,055.60 = 657,279.68 : x
  2. Step 2: Convert to fraction form
    1,920,140.96/2,877,055.60 = 657,279.68/x
  3. Step 3: Cross multiply
    1,920,140.96x = 2,877,055.60 × 657,279.68
  4. Step 4: Simplify right side
    1,920,140.96x = 1,891,030,184,110.21
  5. Step 5: Solve for x
    x = 1,891,030,184,110.21/1,920,140.96
  6. Step 6: Final answer
    x = 984,839.25

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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.