Home / 939,070.29-1,294,889.98-697,800.45

Finding the Fourth Proportional to 939,070.29, 1,294,889.98 and 697,800.45

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Solution

The fourth proportional to 939,070.29, 1,294,889.98 and 697,800.45 is: 962,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,070.29 : 1,294,889.98 = 697,800.45 : x
  2. Step 2: Convert to fraction form
    939,070.29/1,294,889.98 = 697,800.45/x
  3. Step 3: Cross multiply
    939,070.29x = 1,294,889.98 × 697,800.45
  4. Step 4: Simplify right side
    939,070.29x = 903,574,810,744.49
  5. Step 5: Solve for x
    x = 903,574,810,744.49/939,070.29
  6. Step 6: Final answer
    x = 962,201.47

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1.5x scale

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.