Home / 1,577,357.90-2,362,926.45-911,732.30

Finding the Fourth Proportional to 1,577,357.90, 2,362,926.45 and 911,732.30

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Solution

The fourth proportional to 1,577,357.90, 2,362,926.45 and 911,732.30 is: 1,365,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,357.90 : 2,362,926.45 = 911,732.30 : x
  2. Step 2: Convert to fraction form
    1,577,357.90/2,362,926.45 = 911,732.30/x
  3. Step 3: Cross multiply
    1,577,357.90x = 2,362,926.45 × 911,732.30
  4. Step 4: Simplify right side
    1,577,357.90x = 2,154,356,366,989.34
  5. Step 5: Solve for x
    x = 2,154,356,366,989.34/1,577,357.90
  6. Step 6: Final answer
    x = 1,365,800.60

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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.