Home / 1,066,509.90-1,599,764.85-1,036,985.40

Finding the Fourth Proportional to 1,066,509.90, 1,599,764.85 and 1,036,985.40

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Solution

The fourth proportional to 1,066,509.90, 1,599,764.85 and 1,036,985.40 is: 1,555,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,509.90 : 1,599,764.85 = 1,036,985.40 : x
  2. Step 2: Convert to fraction form
    1,066,509.90/1,599,764.85 = 1,036,985.40/x
  3. Step 3: Cross multiply
    1,066,509.90x = 1,599,764.85 × 1,036,985.40
  4. Step 4: Simplify right side
    1,066,509.90x = 1,658,932,792,883.19
  5. Step 5: Solve for x
    x = 1,658,932,792,883.19/1,066,509.90
  6. Step 6: Final answer
    x = 1,555,478.10

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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.