Home / 1,759,323.80-2,637,803.10-693,817.40

Finding the Fourth Proportional to 1,759,323.80, 2,637,803.10 and 693,817.40

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Solution

The fourth proportional to 1,759,323.80, 2,637,803.10 and 693,817.40 is: 1,040,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,323.80 : 2,637,803.10 = 693,817.40 : x
  2. Step 2: Convert to fraction form
    1,759,323.80/2,637,803.10 = 693,817.40/x
  3. Step 3: Cross multiply
    1,759,323.80x = 2,637,803.10 × 693,817.40
  4. Step 4: Simplify right side
    1,759,323.80x = 1,830,153,688,553.94
  5. Step 5: Solve for x
    x = 1,830,153,688,553.94/1,759,323.80
  6. Step 6: Final answer
    x = 1,040,259.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.