Home / 1,036,669.40-1,555,004.10-977,620.40

Finding the Fourth Proportional to 1,036,669.40, 1,555,004.10 and 977,620.40

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Solution

The fourth proportional to 1,036,669.40, 1,555,004.10 and 977,620.40 is: 1,466,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,669.40 : 1,555,004.10 = 977,620.40 : x
  2. Step 2: Convert to fraction form
    1,036,669.40/1,555,004.10 = 977,620.40/x
  3. Step 3: Cross multiply
    1,036,669.40x = 1,555,004.10 × 977,620.40
  4. Step 4: Simplify right side
    1,036,669.40x = 1,520,203,730,243.64
  5. Step 5: Solve for x
    x = 1,520,203,730,243.64/1,036,669.40
  6. Step 6: Final answer
    x = 1,466,430.60

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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.