Home / 532,551.77-734,927.28-290,841.45

Finding the Fourth Proportional to 532,551.77, 734,927.28 and 290,841.45

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Solution

The fourth proportional to 532,551.77, 734,927.28 and 290,841.45 is: 401,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,551.77 : 734,927.28 = 290,841.45 : x
  2. Step 2: Convert to fraction form
    532,551.77/734,927.28 = 290,841.45/x
  3. Step 3: Cross multiply
    532,551.77x = 734,927.28 × 290,841.45
  4. Step 4: Simplify right side
    532,551.77x = 213,747,315,759.76
  5. Step 5: Solve for x
    x = 213,747,315,759.76/532,551.77
  6. Step 6: Final answer
    x = 401,364.39

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Double scale
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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.