Home / 748,061.34-1,121,260.95-569,981.22

Finding the Fourth Proportional to 748,061.34, 1,121,260.95 and 569,981.22

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Solution

The fourth proportional to 748,061.34, 1,121,260.95 and 569,981.22 is: 854,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,061.34 : 1,121,260.95 = 569,981.22 : x
  2. Step 2: Convert to fraction form
    748,061.34/1,121,260.95 = 569,981.22/x
  3. Step 3: Cross multiply
    748,061.34x = 1,121,260.95 × 569,981.22
  4. Step 4: Simplify right side
    748,061.34x = 639,097,684,219.36
  5. Step 5: Solve for x
    x = 639,097,684,219.36/748,061.34
  6. Step 6: Final answer
    x = 854,338.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.