Home / 779,530.13-1,075,751.64-440,020.25

Finding the Fourth Proportional to 779,530.13, 1,075,751.64 and 440,020.25

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Solution

The fourth proportional to 779,530.13, 1,075,751.64 and 440,020.25 is: 607,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,530.13 : 1,075,751.64 = 440,020.25 : x
  2. Step 2: Convert to fraction form
    779,530.13/1,075,751.64 = 440,020.25/x
  3. Step 3: Cross multiply
    779,530.13x = 1,075,751.64 × 440,020.25
  4. Step 4: Simplify right side
    779,530.13x = 473,352,500,191.95
  5. Step 5: Solve for x
    x = 473,352,500,191.95/779,530.13
  6. Step 6: Final answer
    x = 607,227.98

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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.