Home / 779,629.98-1,075,907.03-457,572.36

Finding the Fourth Proportional to 779,629.98, 1,075,907.03 and 457,572.36

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Solution

The fourth proportional to 779,629.98, 1,075,907.03 and 457,572.36 is: 631,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,629.98 : 1,075,907.03 = 457,572.36 : x
  2. Step 2: Convert to fraction form
    779,629.98/1,075,907.03 = 457,572.36/x
  3. Step 3: Cross multiply
    779,629.98x = 1,075,907.03 × 457,572.36
  4. Step 4: Simplify right side
    779,629.98x = 492,305,316,569.83
  5. Step 5: Solve for x
    x = 492,305,316,569.83/779,629.98
  6. Step 6: Final answer
    x = 631,460.22

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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.