Home / 563,114.19-776,474.90-358,841.55

Finding the Fourth Proportional to 563,114.19, 776,474.90 and 358,841.55

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Solution

The fourth proportional to 563,114.19, 776,474.90 and 358,841.55 is: 494,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,114.19 : 776,474.90 = 358,841.55 : x
  2. Step 2: Convert to fraction form
    563,114.19/776,474.90 = 358,841.55/x
  3. Step 3: Cross multiply
    563,114.19x = 776,474.90 × 358,841.55
  4. Step 4: Simplify right side
    563,114.19x = 278,631,454,857.89
  5. Step 5: Solve for x
    x = 278,631,454,857.89/563,114.19
  6. Step 6: Final answer
    x = 494,804.53

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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.