Home / 989,014.54-1,365,014.80-581,116.30

Finding the Fourth Proportional to 989,014.54, 1,365,014.80 and 581,116.30

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Solution

The fourth proportional to 989,014.54, 1,365,014.80 and 581,116.30 is: 802,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,014.54 : 1,365,014.80 = 581,116.30 : x
  2. Step 2: Convert to fraction form
    989,014.54/1,365,014.80 = 581,116.30/x
  3. Step 3: Cross multiply
    989,014.54x = 1,365,014.80 × 581,116.30
  4. Step 4: Simplify right side
    989,014.54x = 793,232,350,021.24
  5. Step 5: Solve for x
    x = 793,232,350,021.24/989,014.54
  6. Step 6: Final answer
    x = 802,043.16

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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.