Home / 965,143.12-1,331,899.08-535,423.28

Finding the Fourth Proportional to 965,143.12, 1,331,899.08 and 535,423.28

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Solution

The fourth proportional to 965,143.12, 1,331,899.08 and 535,423.28 is: 738,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,143.12 : 1,331,899.08 = 535,423.28 : x
  2. Step 2: Convert to fraction form
    965,143.12/1,331,899.08 = 535,423.28/x
  3. Step 3: Cross multiply
    965,143.12x = 1,331,899.08 × 535,423.28
  4. Step 4: Simplify right side
    965,143.12x = 713,129,774,042.58
  5. Step 5: Solve for x
    x = 713,129,774,042.58/965,143.12
  6. Step 6: Final answer
    x = 738,885.00

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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.