Home / 1,386,061.74-1,912,048.74-877,059.36

Finding the Fourth Proportional to 1,386,061.74, 1,912,048.74 and 877,059.36

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Solution

The fourth proportional to 1,386,061.74, 1,912,048.74 and 877,059.36 is: 1,209,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,061.74 : 1,912,048.74 = 877,059.36 : x
  2. Step 2: Convert to fraction form
    1,386,061.74/1,912,048.74 = 877,059.36/x
  3. Step 3: Cross multiply
    1,386,061.74x = 1,912,048.74 × 877,059.36
  4. Step 4: Simplify right side
    1,386,061.74x = 1,676,980,244,193.21
  5. Step 5: Solve for x
    x = 1,676,980,244,193.21/1,386,061.74
  6. Step 6: Final answer
    x = 1,209,888.56

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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.