Home / 772,807.70-1,159,211.55-352,903.70

Finding the Fourth Proportional to 772,807.70, 1,159,211.55 and 352,903.70

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Solution

The fourth proportional to 772,807.70, 1,159,211.55 and 352,903.70 is: 529,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,807.70 : 1,159,211.55 = 352,903.70 : x
  2. Step 2: Convert to fraction form
    772,807.70/1,159,211.55 = 352,903.70/x
  3. Step 3: Cross multiply
    772,807.70x = 1,159,211.55 × 352,903.70
  4. Step 4: Simplify right side
    772,807.70x = 409,090,045,077.74
  5. Step 5: Solve for x
    x = 409,090,045,077.74/772,807.70
  6. Step 6: Final answer
    x = 529,355.55

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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.