Home / 942,280.84-1,300,333.86-512,564.44

Finding the Fourth Proportional to 942,280.84, 1,300,333.86 and 512,564.44

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Solution

The fourth proportional to 942,280.84, 1,300,333.86 and 512,564.44 is: 707,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,280.84 : 1,300,333.86 = 512,564.44 : x
  2. Step 2: Convert to fraction form
    942,280.84/1,300,333.86 = 512,564.44/x
  3. Step 3: Cross multiply
    942,280.84x = 1,300,333.86 × 512,564.44
  4. Step 4: Simplify right side
    942,280.84x = 666,504,896,763.94
  5. Step 5: Solve for x
    x = 666,504,896,763.94/942,280.84
  6. Step 6: Final answer
    x = 707,331.48

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1.5x scale

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.