Home / 691,024.93-953,646.87-404,637.28

Finding the Fourth Proportional to 691,024.93, 953,646.87 and 404,637.28

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Solution

The fourth proportional to 691,024.93, 953,646.87 and 404,637.28 is: 558,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,024.93 : 953,646.87 = 404,637.28 : x
  2. Step 2: Convert to fraction form
    691,024.93/953,646.87 = 404,637.28/x
  3. Step 3: Cross multiply
    691,024.93x = 953,646.87 × 404,637.28
  4. Step 4: Simplify right side
    691,024.93x = 385,881,075,557.31
  5. Step 5: Solve for x
    x = 385,881,075,557.31/691,024.93
  6. Step 6: Final answer
    x = 558,418.46

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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.