Home / 907,943.99-1,253,019.32-500,045.70

Finding the Fourth Proportional to 907,943.99, 1,253,019.32 and 500,045.70

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Solution

The fourth proportional to 907,943.99, 1,253,019.32 and 500,045.70 is: 690,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,943.99 : 1,253,019.32 = 500,045.70 : x
  2. Step 2: Convert to fraction form
    907,943.99/1,253,019.32 = 500,045.70/x
  3. Step 3: Cross multiply
    907,943.99x = 1,253,019.32 × 500,045.70
  4. Step 4: Simplify right side
    907,943.99x = 626,566,929,869.45
  5. Step 5: Solve for x
    x = 626,566,929,869.45/907,943.99
  6. Step 6: Final answer
    x = 690,094.26

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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.