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Finding the Fourth Proportional to 1,363,657.32, 1,881,430.02 and 790,583.10

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Solution

The fourth proportional to 1,363,657.32, 1,881,430.02 and 790,583.10 is: 1,090,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,657.32 : 1,881,430.02 = 790,583.10 : x
  2. Step 2: Convert to fraction form
    1,363,657.32/1,881,430.02 = 790,583.10/x
  3. Step 3: Cross multiply
    1,363,657.32x = 1,881,430.02 × 790,583.10
  4. Step 4: Simplify right side
    1,363,657.32x = 1,487,426,777,644.66
  5. Step 5: Solve for x
    x = 1,487,426,777,644.66/1,363,657.32
  6. Step 6: Final answer
    x = 1,090,762.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.