Home / 779,583.76-1,075,523.67-457,176.22

Finding the Fourth Proportional to 779,583.76, 1,075,523.67 and 457,176.22

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Solution

The fourth proportional to 779,583.76, 1,075,523.67 and 457,176.22 is: 630,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,583.76 : 1,075,523.67 = 457,176.22 : x
  2. Step 2: Convert to fraction form
    779,583.76/1,075,523.67 = 457,176.22/x
  3. Step 3: Cross multiply
    779,583.76x = 1,075,523.67 × 457,176.22
  4. Step 4: Simplify right side
    779,583.76x = 491,703,843,282.32
  5. Step 5: Solve for x
    x = 491,703,843,282.32/779,583.76
  6. Step 6: Final answer
    x = 630,726.13

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1.5x scale

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.