Home / 1,275,703.54-1,913,507.47-316,162.31

Finding the Fourth Proportional to 1,275,703.54, 1,913,507.47 and 316,162.31

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Solution

The fourth proportional to 1,275,703.54, 1,913,507.47 and 316,162.31 is: 474,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,703.54 : 1,913,507.47 = 316,162.31 : x
  2. Step 2: Convert to fraction form
    1,275,703.54/1,913,507.47 = 316,162.31/x
  3. Step 3: Cross multiply
    1,275,703.54x = 1,913,507.47 × 316,162.31
  4. Step 4: Simplify right side
    1,275,703.54x = 604,978,930,966.71
  5. Step 5: Solve for x
    x = 604,978,930,966.71/1,275,703.54
  6. Step 6: Final answer
    x = 474,231.60

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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.