Home / 885,501.48-1,328,890.56-352,714.32

Finding the Fourth Proportional to 885,501.48, 1,328,890.56 and 352,714.32

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Solution

The fourth proportional to 885,501.48, 1,328,890.56 and 352,714.32 is: 529,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,501.48 : 1,328,890.56 = 352,714.32 : x
  2. Step 2: Convert to fraction form
    885,501.48/1,328,890.56 = 352,714.32/x
  3. Step 3: Cross multiply
    885,501.48x = 1,328,890.56 × 352,714.32
  4. Step 4: Simplify right side
    885,501.48x = 468,718,730,224.82
  5. Step 5: Solve for x
    x = 468,718,730,224.82/885,501.48
  6. Step 6: Final answer
    x = 529,325.74

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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.