Home / 1,360,345.16-1,877,292.12-779,556.80

Finding the Fourth Proportional to 1,360,345.16, 1,877,292.12 and 779,556.80

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Solution

The fourth proportional to 1,360,345.16, 1,877,292.12 and 779,556.80 is: 1,075,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,345.16 : 1,877,292.12 = 779,556.80 : x
  2. Step 2: Convert to fraction form
    1,360,345.16/1,877,292.12 = 779,556.80/x
  3. Step 3: Cross multiply
    1,360,345.16x = 1,877,292.12 × 779,556.80
  4. Step 4: Simplify right side
    1,360,345.16x = 1,463,455,837,732.42
  5. Step 5: Solve for x
    x = 1,463,455,837,732.42/1,360,345.16
  6. Step 6: Final answer
    x = 1,075,797.44

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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.