Home / 931,054.56-1,285,346.28-626,730.96

Finding the Fourth Proportional to 931,054.56, 1,285,346.28 and 626,730.96

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Solution

The fourth proportional to 931,054.56, 1,285,346.28 and 626,730.96 is: 865,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,054.56 : 1,285,346.28 = 626,730.96 : x
  2. Step 2: Convert to fraction form
    931,054.56/1,285,346.28 = 626,730.96/x
  3. Step 3: Cross multiply
    931,054.56x = 1,285,346.28 × 626,730.96
  4. Step 4: Simplify right side
    931,054.56x = 805,566,307,996.83
  5. Step 5: Solve for x
    x = 805,566,307,996.83/931,054.56
  6. Step 6: Final answer
    x = 865,219.23

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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.