Home / 648,111.70-972,167.55-606,639.70

Finding the Fourth Proportional to 648,111.70, 972,167.55 and 606,639.70

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Solution

The fourth proportional to 648,111.70, 972,167.55 and 606,639.70 is: 909,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,111.70 : 972,167.55 = 606,639.70 : x
  2. Step 2: Convert to fraction form
    648,111.70/972,167.55 = 606,639.70/x
  3. Step 3: Cross multiply
    648,111.70x = 972,167.55 × 606,639.70
  4. Step 4: Simplify right side
    648,111.70x = 589,755,430,881.74
  5. Step 5: Solve for x
    x = 589,755,430,881.74/648,111.70
  6. Step 6: Final answer
    x = 909,959.55

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Similar ratio
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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.