Home / 927,755.48-1,280,307.48-519,858.20

Finding the Fourth Proportional to 927,755.48, 1,280,307.48 and 519,858.20

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Solution

The fourth proportional to 927,755.48, 1,280,307.48 and 519,858.20 is: 717,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,755.48 : 1,280,307.48 = 519,858.20 : x
  2. Step 2: Convert to fraction form
    927,755.48/1,280,307.48 = 519,858.20/x
  3. Step 3: Cross multiply
    927,755.48x = 1,280,307.48 × 519,858.20
  4. Step 4: Simplify right side
    927,755.48x = 665,578,341,999.34
  5. Step 5: Solve for x
    x = 665,578,341,999.34/927,755.48
  6. Step 6: Final answer
    x = 717,407.07

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Double scale
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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.