Home / 1,296,756.81-1,944,962.91-385,922.93

Finding the Fourth Proportional to 1,296,756.81, 1,944,962.91 and 385,922.93

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Solution

The fourth proportional to 1,296,756.81, 1,944,962.91 and 385,922.93 is: 578,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,756.81 : 1,944,962.91 = 385,922.93 : x
  2. Step 2: Convert to fraction form
    1,296,756.81/1,944,962.91 = 385,922.93/x
  3. Step 3: Cross multiply
    1,296,756.81x = 1,944,962.91 × 385,922.93
  4. Step 4: Simplify right side
    1,296,756.81x = 750,605,775,243.71
  5. Step 5: Solve for x
    x = 750,605,775,243.71/1,296,756.81
  6. Step 6: Final answer
    x = 578,833.11

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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.