Home / 1,115,343.61-1,539,313.70-632,064.47

Finding the Fourth Proportional to 1,115,343.61, 1,539,313.70 and 632,064.47

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Solution

The fourth proportional to 1,115,343.61, 1,539,313.70 and 632,064.47 is: 872,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,343.61 : 1,539,313.70 = 632,064.47 : x
  2. Step 2: Convert to fraction form
    1,115,343.61/1,539,313.70 = 632,064.47/x
  3. Step 3: Cross multiply
    1,115,343.61x = 1,539,313.70 × 632,064.47
  4. Step 4: Simplify right side
    1,115,343.61x = 972,945,487,097.35
  5. Step 5: Solve for x
    x = 972,945,487,097.35/1,115,343.61
  6. Step 6: Final answer
    x = 872,328.03

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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.