Home / 772,256.88-1,153,103.10-691,775.28

Finding the Fourth Proportional to 772,256.88, 1,153,103.10 and 691,775.28

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Solution

The fourth proportional to 772,256.88, 1,153,103.10 and 691,775.28 is: 1,032,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,256.88 : 1,153,103.10 = 691,775.28 : x
  2. Step 2: Convert to fraction form
    772,256.88/1,153,103.10 = 691,775.28/x
  3. Step 3: Cross multiply
    772,256.88x = 1,153,103.10 × 691,775.28
  4. Step 4: Simplify right side
    772,256.88x = 797,688,219,871.37
  5. Step 5: Solve for x
    x = 797,688,219,871.37/772,256.88
  6. Step 6: Final answer
    x = 1,032,931.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.