Home / 1,030,105.25-1,421,519.02-571,212.51

Finding the Fourth Proportional to 1,030,105.25, 1,421,519.02 and 571,212.51

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Solution

The fourth proportional to 1,030,105.25, 1,421,519.02 and 571,212.51 is: 788,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,105.25 : 1,421,519.02 = 571,212.51 : x
  2. Step 2: Convert to fraction form
    1,030,105.25/1,421,519.02 = 571,212.51/x
  3. Step 3: Cross multiply
    1,030,105.25x = 1,421,519.02 × 571,212.51
  4. Step 4: Simplify right side
    1,030,105.25x = 811,989,440,668.21
  5. Step 5: Solve for x
    x = 811,989,440,668.21/1,030,105.25
  6. Step 6: Final answer
    x = 788,258.72

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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.