Home / 1,310,700.19-1,808,400.75-845,357.17

Finding the Fourth Proportional to 1,310,700.19, 1,808,400.75 and 845,357.17

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Solution

The fourth proportional to 1,310,700.19, 1,808,400.75 and 845,357.17 is: 1,166,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,700.19 : 1,808,400.75 = 845,357.17 : x
  2. Step 2: Convert to fraction form
    1,310,700.19/1,808,400.75 = 845,357.17/x
  3. Step 3: Cross multiply
    1,310,700.19x = 1,808,400.75 × 845,357.17
  4. Step 4: Simplify right side
    1,310,700.19x = 1,528,744,531,203.87
  5. Step 5: Solve for x
    x = 1,528,744,531,203.87/1,310,700.19
  6. Step 6: Final answer
    x = 1,166,357.14

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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.