Home / 989,094.33-1,365,023.48-553,555.32

Finding the Fourth Proportional to 989,094.33, 1,365,023.48 and 553,555.32

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Solution

The fourth proportional to 989,094.33, 1,365,023.48 and 553,555.32 is: 763,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,094.33 : 1,365,023.48 = 553,555.32 : x
  2. Step 2: Convert to fraction form
    989,094.33/1,365,023.48 = 553,555.32/x
  3. Step 3: Cross multiply
    989,094.33x = 1,365,023.48 × 553,555.32
  4. Step 4: Simplify right side
    989,094.33x = 755,616,006,511.14
  5. Step 5: Solve for x
    x = 755,616,006,511.14/989,094.33
  6. Step 6: Final answer
    x = 763,947.36

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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.