Home / 1,411,047.40-1,947,281.63-766,504.48

Finding the Fourth Proportional to 1,411,047.40, 1,947,281.63 and 766,504.48

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Solution

The fourth proportional to 1,411,047.40, 1,947,281.63 and 766,504.48 is: 1,057,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,047.40 : 1,947,281.63 = 766,504.48 : x
  2. Step 2: Convert to fraction form
    1,411,047.40/1,947,281.63 = 766,504.48/x
  3. Step 3: Cross multiply
    1,411,047.40x = 1,947,281.63 × 766,504.48
  4. Step 4: Simplify right side
    1,411,047.40x = 1,492,600,093,216.70
  5. Step 5: Solve for x
    x = 1,492,600,093,216.70/1,411,047.40
  6. Step 6: Final answer
    x = 1,057,795.86

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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.