Home / 1,036,388.90-1,430,323.11-623,059.49

Finding the Fourth Proportional to 1,036,388.90, 1,430,323.11 and 623,059.49

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Solution

The fourth proportional to 1,036,388.90, 1,430,323.11 and 623,059.49 is: 859,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,388.90 : 1,430,323.11 = 623,059.49 : x
  2. Step 2: Convert to fraction form
    1,036,388.90/1,430,323.11 = 623,059.49/x
  3. Step 3: Cross multiply
    1,036,388.90x = 1,430,323.11 × 623,059.49
  4. Step 4: Simplify right side
    1,036,388.90x = 891,176,391,027.62
  5. Step 5: Solve for x
    x = 891,176,391,027.62/1,036,388.90
  6. Step 6: Final answer
    x = 859,886.08

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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.