Home / 1,477,518.66-2,038,888.02-857,275.88

Finding the Fourth Proportional to 1,477,518.66, 2,038,888.02 and 857,275.88

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Solution

The fourth proportional to 1,477,518.66, 2,038,888.02 and 857,275.88 is: 1,182,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,518.66 : 2,038,888.02 = 857,275.88 : x
  2. Step 2: Convert to fraction form
    1,477,518.66/2,038,888.02 = 857,275.88/x
  3. Step 3: Cross multiply
    1,477,518.66x = 2,038,888.02 × 857,275.88
  4. Step 4: Simplify right side
    1,477,518.66x = 1,747,889,521,566.96
  5. Step 5: Solve for x
    x = 1,747,889,521,566.96/1,477,518.66
  6. Step 6: Final answer
    x = 1,182,989.81

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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.