Home / 683,527.60-936,417.26-657,971.20

Finding the Fourth Proportional to 683,527.60, 936,417.26 and 657,971.20

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Solution

The fourth proportional to 683,527.60, 936,417.26 and 657,971.20 is: 901,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,527.60 : 936,417.26 = 657,971.20 : x
  2. Step 2: Convert to fraction form
    683,527.60/936,417.26 = 657,971.20/x
  3. Step 3: Cross multiply
    683,527.60x = 936,417.26 × 657,971.20
  4. Step 4: Simplify right side
    683,527.60x = 616,135,588,262.91
  5. Step 5: Solve for x
    x = 616,135,588,262.91/683,527.60
  6. Step 6: Final answer
    x = 901,405.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.