Home / 1,077,648.72-1,487,255-618,823.41

Finding the Fourth Proportional to 1,077,648.72, 1,487,255 and 618,823.41

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Solution

The fourth proportional to 1,077,648.72, 1,487,255 and 618,823.41 is: 854,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,648.72 : 1,487,255 = 618,823.41 : x
  2. Step 2: Convert to fraction form
    1,077,648.72/1,487,255 = 618,823.41/x
  3. Step 3: Cross multiply
    1,077,648.72x = 1,487,255 × 618,823.41
  4. Step 4: Simplify right side
    1,077,648.72x = 920,348,210,639.55
  5. Step 5: Solve for x
    x = 920,348,210,639.55/1,077,648.72
  6. Step 6: Final answer
    x = 854,033.60

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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.