Home / 965,036.95-1,331,910.71-535,455.48

Finding the Fourth Proportional to 965,036.95, 1,331,910.71 and 535,455.48

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Solution

The fourth proportional to 965,036.95, 1,331,910.71 and 535,455.48 is: 739,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,036.95 : 1,331,910.71 = 535,455.48 : x
  2. Step 2: Convert to fraction form
    965,036.95/1,331,910.71 = 535,455.48/x
  3. Step 3: Cross multiply
    965,036.95x = 1,331,910.71 × 535,455.48
  4. Step 4: Simplify right side
    965,036.95x = 713,178,888,540.19
  5. Step 5: Solve for x
    x = 713,178,888,540.19/965,036.95
  6. Step 6: Final answer
    x = 739,017.18

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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.