Home / 893,085.78-1,232,477.73-490,703.70

Finding the Fourth Proportional to 893,085.78, 1,232,477.73 and 490,703.70

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Solution

The fourth proportional to 893,085.78, 1,232,477.73 and 490,703.70 is: 677,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,085.78 : 1,232,477.73 = 490,703.70 : x
  2. Step 2: Convert to fraction form
    893,085.78/1,232,477.73 = 490,703.70/x
  3. Step 3: Cross multiply
    893,085.78x = 1,232,477.73 × 490,703.70
  4. Step 4: Simplify right side
    893,085.78x = 604,781,382,278.60
  5. Step 5: Solve for x
    x = 604,781,382,278.60/893,085.78
  6. Step 6: Final answer
    x = 677,181.74

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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.