Home / 1,056,153.80-1,584,230.70-487,533.80

Finding the Fourth Proportional to 1,056,153.80, 1,584,230.70 and 487,533.80

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Solution

The fourth proportional to 1,056,153.80, 1,584,230.70 and 487,533.80 is: 731,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,153.80 : 1,584,230.70 = 487,533.80 : x
  2. Step 2: Convert to fraction form
    1,056,153.80/1,584,230.70 = 487,533.80/x
  3. Step 3: Cross multiply
    1,056,153.80x = 1,584,230.70 × 487,533.80
  4. Step 4: Simplify right side
    1,056,153.80x = 772,366,013,247.66
  5. Step 5: Solve for x
    x = 772,366,013,247.66/1,056,153.80
  6. Step 6: Final answer
    x = 731,300.70

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Double scale
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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.