Home / 858,746.20-1,185,014.90-476,772.84

Finding the Fourth Proportional to 858,746.20, 1,185,014.90 and 476,772.84

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Solution

The fourth proportional to 858,746.20, 1,185,014.90 and 476,772.84 is: 657,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,746.20 : 1,185,014.90 = 476,772.84 : x
  2. Step 2: Convert to fraction form
    858,746.20/1,185,014.90 = 476,772.84/x
  3. Step 3: Cross multiply
    858,746.20x = 1,185,014.90 × 476,772.84
  4. Step 4: Simplify right side
    858,746.20x = 564,982,919,315.32
  5. Step 5: Solve for x
    x = 564,982,919,315.32/858,746.20
  6. Step 6: Final answer
    x = 657,916.06

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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.