Home / 1,429,696.88-1,971,314.88-1,066,490.18

Finding the Fourth Proportional to 1,429,696.88, 1,971,314.88 and 1,066,490.18

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Solution

The fourth proportional to 1,429,696.88, 1,971,314.88 and 1,066,490.18 is: 1,470,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,696.88 : 1,971,314.88 = 1,066,490.18 : x
  2. Step 2: Convert to fraction form
    1,429,696.88/1,971,314.88 = 1,066,490.18/x
  3. Step 3: Cross multiply
    1,429,696.88x = 1,971,314.88 × 1,066,490.18
  4. Step 4: Simplify right side
    1,429,696.88x = 2,102,387,961,207.88
  5. Step 5: Solve for x
    x = 2,102,387,961,207.88/1,429,696.88
  6. Step 6: Final answer
    x = 1,470,513.08

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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.