Home / 953,021.20-1,315,287.76-545,066.40

Finding the Fourth Proportional to 953,021.20, 1,315,287.76 and 545,066.40

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Solution

The fourth proportional to 953,021.20, 1,315,287.76 and 545,066.40 is: 752,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,021.20 : 1,315,287.76 = 545,066.40 : x
  2. Step 2: Convert to fraction form
    953,021.20/1,315,287.76 = 545,066.40/x
  3. Step 3: Cross multiply
    953,021.20x = 1,315,287.76 × 545,066.40
  4. Step 4: Simplify right side
    953,021.20x = 716,919,164,307.26
  5. Step 5: Solve for x
    x = 716,919,164,307.26/953,021.20
  6. Step 6: Final answer
    x = 752,259.41

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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.