Home / 819,960.23-1,130,012.84-590,118.48

Finding the Fourth Proportional to 819,960.23, 1,130,012.84 and 590,118.48

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Solution

The fourth proportional to 819,960.23, 1,130,012.84 and 590,118.48 is: 813,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,960.23 : 1,130,012.84 = 590,118.48 : x
  2. Step 2: Convert to fraction form
    819,960.23/1,130,012.84 = 590,118.48/x
  3. Step 3: Cross multiply
    819,960.23x = 1,130,012.84 × 590,118.48
  4. Step 4: Simplify right side
    819,960.23x = 666,841,459,521.28
  5. Step 5: Solve for x
    x = 666,841,459,521.28/819,960.23
  6. Step 6: Final answer
    x = 813,260.74

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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.