Home / 1,630,201.40-2,249,634.16-977,196.36

Finding the Fourth Proportional to 1,630,201.40, 2,249,634.16 and 977,196.36

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Solution

The fourth proportional to 1,630,201.40, 2,249,634.16 and 977,196.36 is: 1,348,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,201.40 : 2,249,634.16 = 977,196.36 : x
  2. Step 2: Convert to fraction form
    1,630,201.40/2,249,634.16 = 977,196.36/x
  3. Step 3: Cross multiply
    1,630,201.40x = 2,249,634.16 × 977,196.36
  4. Step 4: Simplify right side
    1,630,201.40x = 2,198,334,312,483.66
  5. Step 5: Solve for x
    x = 2,198,334,312,483.66/1,630,201.40
  6. Step 6: Final answer
    x = 1,348,504.74

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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.