Home / 1,333,808.10-1,840,830.40-760,716.90

Finding the Fourth Proportional to 1,333,808.10, 1,840,830.40 and 760,716.90

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Solution

The fourth proportional to 1,333,808.10, 1,840,830.40 and 760,716.90 is: 1,049,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,808.10 : 1,840,830.40 = 760,716.90 : x
  2. Step 2: Convert to fraction form
    1,333,808.10/1,840,830.40 = 760,716.90/x
  3. Step 3: Cross multiply
    1,333,808.10x = 1,840,830.40 × 760,716.90
  4. Step 4: Simplify right side
    1,333,808.10x = 1,400,350,791,510.18
  5. Step 5: Solve for x
    x = 1,400,350,791,510.18/1,333,808.10
  6. Step 6: Final answer
    x = 1,049,889.25

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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.