Home / 784,235.80-1,176,353.70-606,870.10

Finding the Fourth Proportional to 784,235.80, 1,176,353.70 and 606,870.10

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Solution

The fourth proportional to 784,235.80, 1,176,353.70 and 606,870.10 is: 910,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,235.80 : 1,176,353.70 = 606,870.10 : x
  2. Step 2: Convert to fraction form
    784,235.80/1,176,353.70 = 606,870.10/x
  3. Step 3: Cross multiply
    784,235.80x = 1,176,353.70 × 606,870.10
  4. Step 4: Simplify right side
    784,235.80x = 713,893,887,554.37
  5. Step 5: Solve for x
    x = 713,893,887,554.37/784,235.80
  6. Step 6: Final answer
    x = 910,305.15

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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.