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Finding the Fourth Proportional to 1,373,582.07, 1,895,543.37 and 761,828.36

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Solution

The fourth proportional to 1,373,582.07, 1,895,543.37 and 761,828.36 is: 1,051,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,582.07 : 1,895,543.37 = 761,828.36 : x
  2. Step 2: Convert to fraction form
    1,373,582.07/1,895,543.37 = 761,828.36/x
  3. Step 3: Cross multiply
    1,373,582.07x = 1,895,543.37 × 761,828.36
  4. Step 4: Simplify right side
    1,373,582.07x = 1,444,078,687,398.26
  5. Step 5: Solve for x
    x = 1,444,078,687,398.26/1,373,582.07
  6. Step 6: Final answer
    x = 1,051,323.19

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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.