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Finding the Fourth Proportional to 1,158,743.95, 1,738,210.48 and 582,070.64

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Solution

The fourth proportional to 1,158,743.95, 1,738,210.48 and 582,070.64 is: 873,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,743.95 : 1,738,210.48 = 582,070.64 : x
  2. Step 2: Convert to fraction form
    1,158,743.95/1,738,210.48 = 582,070.64/x
  3. Step 3: Cross multiply
    1,158,743.95x = 1,738,210.48 × 582,070.64
  4. Step 4: Simplify right side
    1,158,743.95x = 1,011,761,276,402.08
  5. Step 5: Solve for x
    x = 1,011,761,276,402.08/1,158,743.95
  6. Step 6: Final answer
    x = 873,153.45

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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.