Home / 772,237.58-1,065,056.00-543,551.90

Finding the Fourth Proportional to 772,237.58, 1,065,056.00 and 543,551.90

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Solution

The fourth proportional to 772,237.58, 1,065,056.00 and 543,551.90 is: 749,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,237.58 : 1,065,056.00 = 543,551.90 : x
  2. Step 2: Convert to fraction form
    772,237.58/1,065,056.00 = 543,551.90/x
  3. Step 3: Cross multiply
    772,237.58x = 1,065,056.00 × 543,551.90
  4. Step 4: Simplify right side
    772,237.58x = 578,913,204,363.36
  5. Step 5: Solve for x
    x = 578,913,204,363.36/772,237.58
  6. Step 6: Final answer
    x = 749,656.87

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Double scale
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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.