Home / 1,056,144.54-1,457,666.07-620,561.80

Finding the Fourth Proportional to 1,056,144.54, 1,457,666.07 and 620,561.80

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Solution

The fourth proportional to 1,056,144.54, 1,457,666.07 and 620,561.80 is: 856,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,144.54 : 1,457,666.07 = 620,561.80 : x
  2. Step 2: Convert to fraction form
    1,056,144.54/1,457,666.07 = 620,561.80/x
  3. Step 3: Cross multiply
    1,056,144.54x = 1,457,666.07 × 620,561.80
  4. Step 4: Simplify right side
    1,056,144.54x = 904,571,880,740.76
  5. Step 5: Solve for x
    x = 904,571,880,740.76/1,056,144.54
  6. Step 6: Final answer
    x = 856,484.93

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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.