Home / 1,127,670.80-1,556,089.47-637,616.28

Finding the Fourth Proportional to 1,127,670.80, 1,556,089.47 and 637,616.28

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Solution

The fourth proportional to 1,127,670.80, 1,556,089.47 and 637,616.28 is: 879,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,670.80 : 1,556,089.47 = 637,616.28 : x
  2. Step 2: Convert to fraction form
    1,127,670.80/1,556,089.47 = 637,616.28/x
  3. Step 3: Cross multiply
    1,127,670.80x = 1,556,089.47 × 637,616.28
  4. Step 4: Simplify right side
    1,127,670.80x = 992,187,985,043.91
  5. Step 5: Solve for x
    x = 992,187,985,043.91/1,127,670.80
  6. Step 6: Final answer
    x = 879,856.06

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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.