Home / 582,918.40-808,095.80-550,988.20

Finding the Fourth Proportional to 582,918.40, 808,095.80 and 550,988.20

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Solution

The fourth proportional to 582,918.40, 808,095.80 and 550,988.20 is: 763,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,918.40 : 808,095.80 = 550,988.20 : x
  2. Step 2: Convert to fraction form
    582,918.40/808,095.80 = 550,988.20/x
  3. Step 3: Cross multiply
    582,918.40x = 808,095.80 × 550,988.20
  4. Step 4: Simplify right side
    582,918.40x = 445,251,250,269.56
  5. Step 5: Solve for x
    x = 445,251,250,269.56/582,918.40
  6. Step 6: Final answer
    x = 763,831.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.