Home / 708,128.80-1,064,266.80-616,890.40

Finding the Fourth Proportional to 708,128.80, 1,064,266.80 and 616,890.40

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Solution

The fourth proportional to 708,128.80, 1,064,266.80 and 616,890.40 is: 927,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,128.80 : 1,064,266.80 = 616,890.40 : x
  2. Step 2: Convert to fraction form
    708,128.80/1,064,266.80 = 616,890.40/x
  3. Step 3: Cross multiply
    708,128.80x = 1,064,266.80 × 616,890.40
  4. Step 4: Simplify right side
    708,128.80x = 656,535,971,958.72
  5. Step 5: Solve for x
    x = 656,535,971,958.72/708,128.80
  6. Step 6: Final answer
    x = 927,142.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.