Home / 1,758,561.60-2,637,064.80-811,444.80

Finding the Fourth Proportional to 1,758,561.60, 2,637,064.80 and 811,444.80

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Solution

The fourth proportional to 1,758,561.60, 2,637,064.80 and 811,444.80 is: 1,216,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,561.60 : 2,637,064.80 = 811,444.80 : x
  2. Step 2: Convert to fraction form
    1,758,561.60/2,637,064.80 = 811,444.80/x
  3. Step 3: Cross multiply
    1,758,561.60x = 2,637,064.80 × 811,444.80
  4. Step 4: Simplify right side
    1,758,561.60x = 2,139,832,519,223.04
  5. Step 5: Solve for x
    x = 2,139,832,519,223.04/1,758,561.60
  6. Step 6: Final answer
    x = 1,216,808.40

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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.