Home / 826,368.76-1,140,340.98-463,758.76

Finding the Fourth Proportional to 826,368.76, 1,140,340.98 and 463,758.76

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Solution

The fourth proportional to 826,368.76, 1,140,340.98 and 463,758.76 is: 639,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,368.76 : 1,140,340.98 = 463,758.76 : x
  2. Step 2: Convert to fraction form
    826,368.76/1,140,340.98 = 463,758.76/x
  3. Step 3: Cross multiply
    826,368.76x = 1,140,340.98 × 463,758.76
  4. Step 4: Simplify right side
    826,368.76x = 528,843,118,861.99
  5. Step 5: Solve for x
    x = 528,843,118,861.99/826,368.76
  6. Step 6: Final answer
    x = 639,960.20

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.