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Finding the Fourth Proportional to 1,075,510.48, 1,484,040 and 622,714

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Solution

The fourth proportional to 1,075,510.48, 1,484,040 and 622,714 is: 859,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,510.48 : 1,484,040 = 622,714 : x
  2. Step 2: Convert to fraction form
    1,075,510.48/1,484,040 = 622,714/x
  3. Step 3: Cross multiply
    1,075,510.48x = 1,484,040 × 622,714
  4. Step 4: Simplify right side
    1,075,510.48x = 924,132,484,560
  5. Step 5: Solve for x
    x = 924,132,484,560/1,075,510.48
  6. Step 6: Final answer
    x = 859,250.10

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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.