Home / 910,465.21-1,256,441.79-502,566.95

Finding the Fourth Proportional to 910,465.21, 1,256,441.79 and 502,566.95

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Solution

The fourth proportional to 910,465.21, 1,256,441.79 and 502,566.95 is: 693,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,465.21 : 1,256,441.79 = 502,566.95 : x
  2. Step 2: Convert to fraction form
    910,465.21/1,256,441.79 = 502,566.95/x
  3. Step 3: Cross multiply
    910,465.21x = 1,256,441.79 × 502,566.95
  4. Step 4: Simplify right side
    910,465.21x = 631,446,113,855.26
  5. Step 5: Solve for x
    x = 631,446,113,855.26/910,465.21
  6. Step 6: Final answer
    x = 693,542.27

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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.