Home / 776,953.06-1,072,277.13-454,767.46

Finding the Fourth Proportional to 776,953.06, 1,072,277.13 and 454,767.46

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Solution

The fourth proportional to 776,953.06, 1,072,277.13 and 454,767.46 is: 627,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,953.06 : 1,072,277.13 = 454,767.46 : x
  2. Step 2: Convert to fraction form
    776,953.06/1,072,277.13 = 454,767.46/x
  3. Step 3: Cross multiply
    776,953.06x = 1,072,277.13 × 454,767.46
  4. Step 4: Simplify right side
    776,953.06x = 487,636,746,826.19
  5. Step 5: Solve for x
    x = 487,636,746,826.19/776,953.06
  6. Step 6: Final answer
    x = 627,627.04

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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.