Home / 1,939,656.51-2,909,482.88-519,673.86

Finding the Fourth Proportional to 1,939,656.51, 2,909,482.88 and 519,673.86

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Solution

The fourth proportional to 1,939,656.51, 2,909,482.88 and 519,673.86 is: 779,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,656.51 : 2,909,482.88 = 519,673.86 : x
  2. Step 2: Convert to fraction form
    1,939,656.51/2,909,482.88 = 519,673.86/x
  3. Step 3: Cross multiply
    1,939,656.51x = 2,909,482.88 × 519,673.86
  4. Step 4: Simplify right side
    1,939,656.51x = 1,511,982,196,255.15
  5. Step 5: Solve for x
    x = 1,511,982,196,255.15/1,939,656.51
  6. Step 6: Final answer
    x = 779,510.28

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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.