Home / 1,127,881.08-1,556,332.44-644,477.52

Finding the Fourth Proportional to 1,127,881.08, 1,556,332.44 and 644,477.52

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Solution

The fourth proportional to 1,127,881.08, 1,556,332.44 and 644,477.52 is: 889,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,881.08 : 1,556,332.44 = 644,477.52 : x
  2. Step 2: Convert to fraction form
    1,127,881.08/1,556,332.44 = 644,477.52/x
  3. Step 3: Cross multiply
    1,127,881.08x = 1,556,332.44 × 644,477.52
  4. Step 4: Simplify right side
    1,127,881.08x = 1,003,021,271,226.75
  5. Step 5: Solve for x
    x = 1,003,021,271,226.75/1,127,881.08
  6. Step 6: Final answer
    x = 889,297.01

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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.