Home / 1,461,008.85-2,014,886.75-917,195.19

Finding the Fourth Proportional to 1,461,008.85, 2,014,886.75 and 917,195.19

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Solution

The fourth proportional to 1,461,008.85, 2,014,886.75 and 917,195.19 is: 1,264,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,008.85 : 2,014,886.75 = 917,195.19 : x
  2. Step 2: Convert to fraction form
    1,461,008.85/2,014,886.75 = 917,195.19/x
  3. Step 3: Cross multiply
    1,461,008.85x = 2,014,886.75 × 917,195.19
  4. Step 4: Simplify right side
    1,461,008.85x = 1,848,044,430,908.76
  5. Step 5: Solve for x
    x = 1,848,044,430,908.76/1,461,008.85
  6. Step 6: Final answer
    x = 1,264,909.81

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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.