Home / 788,687.10-1,183,030.65-564,738.30

Finding the Fourth Proportional to 788,687.10, 1,183,030.65 and 564,738.30

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Solution

The fourth proportional to 788,687.10, 1,183,030.65 and 564,738.30 is: 847,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,687.10 : 1,183,030.65 = 564,738.30 : x
  2. Step 2: Convert to fraction form
    788,687.10/1,183,030.65 = 564,738.30/x
  3. Step 3: Cross multiply
    788,687.10x = 1,183,030.65 × 564,738.30
  4. Step 4: Simplify right side
    788,687.10x = 668,102,718,128.90
  5. Step 5: Solve for x
    x = 668,102,718,128.90/788,687.10
  6. Step 6: Final answer
    x = 847,107.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.