Home / 1,230,567.96-1,698,180.60-686,698.02

Finding the Fourth Proportional to 1,230,567.96, 1,698,180.60 and 686,698.02

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Solution

The fourth proportional to 1,230,567.96, 1,698,180.60 and 686,698.02 is: 947,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,567.96 : 1,698,180.60 = 686,698.02 : x
  2. Step 2: Convert to fraction form
    1,230,567.96/1,698,180.60 = 686,698.02/x
  3. Step 3: Cross multiply
    1,230,567.96x = 1,698,180.60 × 686,698.02
  4. Step 4: Simplify right side
    1,230,567.96x = 1,166,137,255,622.41
  5. Step 5: Solve for x
    x = 1,166,137,255,622.41/1,230,567.96
  6. Step 6: Final answer
    x = 947,641.49

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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.