Home / 505,973.40-758,960.10-190,501.08

Finding the Fourth Proportional to 505,973.40, 758,960.10 and 190,501.08

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Solution

The fourth proportional to 505,973.40, 758,960.10 and 190,501.08 is: 285,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,973.40 : 758,960.10 = 190,501.08 : x
  2. Step 2: Convert to fraction form
    505,973.40/758,960.10 = 190,501.08/x
  3. Step 3: Cross multiply
    505,973.40x = 758,960.10 × 190,501.08
  4. Step 4: Simplify right side
    505,973.40x = 144,582,718,726.91
  5. Step 5: Solve for x
    x = 144,582,718,726.91/505,973.40
  6. Step 6: Final answer
    x = 285,751.62

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