Home / 840,485.03-1,254,172.14-749,905.02

Finding the Fourth Proportional to 840,485.03, 1,254,172.14 and 749,905.02

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Solution

The fourth proportional to 840,485.03, 1,254,172.14 and 749,905.02 is: 1,119,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,485.03 : 1,254,172.14 = 749,905.02 : x
  2. Step 2: Convert to fraction form
    840,485.03/1,254,172.14 = 749,905.02/x
  3. Step 3: Cross multiply
    840,485.03x = 1,254,172.14 × 749,905.02
  4. Step 4: Simplify right side
    840,485.03x = 940,509,983,730.14
  5. Step 5: Solve for x
    x = 940,509,983,730.14/840,485.03
  6. Step 6: Final answer
    x = 1,119,008.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.