Home / 1,115,645.32-1,539,564.42-625,582.36

Finding the Fourth Proportional to 1,115,645.32, 1,539,564.42 and 625,582.36

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Solution

The fourth proportional to 1,115,645.32, 1,539,564.42 and 625,582.36 is: 863,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,645.32 : 1,539,564.42 = 625,582.36 : x
  2. Step 2: Convert to fraction form
    1,115,645.32/1,539,564.42 = 625,582.36/x
  3. Step 3: Cross multiply
    1,115,645.32x = 1,539,564.42 × 625,582.36
  4. Step 4: Simplify right side
    1,115,645.32x = 963,124,343,235.63
  5. Step 5: Solve for x
    x = 963,124,343,235.63/1,115,645.32
  6. Step 6: Final answer
    x = 863,289.01

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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.