Home / 1,230,564.92-1,698,179.88-679,280.93

Finding the Fourth Proportional to 1,230,564.92, 1,698,179.88 and 679,280.93

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Solution

The fourth proportional to 1,230,564.92, 1,698,179.88 and 679,280.93 is: 937,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,564.92 : 1,698,179.88 = 679,280.93 : x
  2. Step 2: Convert to fraction form
    1,230,564.92/1,698,179.88 = 679,280.93/x
  3. Step 3: Cross multiply
    1,230,564.92x = 1,698,179.88 × 679,280.93
  4. Step 4: Simplify right side
    1,230,564.92x = 1,153,541,199,702.79
  5. Step 5: Solve for x
    x = 1,153,541,199,702.79/1,230,564.92
  6. Step 6: Final answer
    x = 937,407.84

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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.