Home / 637,918.74-880,325.82-351,436.32

Finding the Fourth Proportional to 637,918.74, 880,325.82 and 351,436.32

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Solution

The fourth proportional to 637,918.74, 880,325.82 and 351,436.32 is: 484,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,918.74 : 880,325.82 = 351,436.32 : x
  2. Step 2: Convert to fraction form
    637,918.74/880,325.82 = 351,436.32/x
  3. Step 3: Cross multiply
    637,918.74x = 880,325.82 × 351,436.32
  4. Step 4: Simplify right side
    637,918.74x = 309,378,466,581.78
  5. Step 5: Solve for x
    x = 309,378,466,581.78/637,918.74
  6. Step 6: Final answer
    x = 484,981.00

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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.