Home / 1,142,788.19-1,712,678.30-637,587.03

Finding the Fourth Proportional to 1,142,788.19, 1,712,678.30 and 637,587.03

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Solution

The fourth proportional to 1,142,788.19, 1,712,678.30 and 637,587.03 is: 955,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,788.19 : 1,712,678.30 = 637,587.03 : x
  2. Step 2: Convert to fraction form
    1,142,788.19/1,712,678.30 = 637,587.03/x
  3. Step 3: Cross multiply
    1,142,788.19x = 1,712,678.30 × 637,587.03
  4. Step 4: Simplify right side
    1,142,788.19x = 1,091,981,467,454.51
  5. Step 5: Solve for x
    x = 1,091,981,467,454.51/1,142,788.19
  6. Step 6: Final answer
    x = 955,541.44

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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.