Home / 1,030,252.42-1,421,835.68-571,514.78

Finding the Fourth Proportional to 1,030,252.42, 1,421,835.68 and 571,514.78

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Solution

The fourth proportional to 1,030,252.42, 1,421,835.68 and 571,514.78 is: 788,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,252.42 : 1,421,835.68 = 571,514.78 : x
  2. Step 2: Convert to fraction form
    1,030,252.42/1,421,835.68 = 571,514.78/x
  3. Step 3: Cross multiply
    1,030,252.42x = 1,421,835.68 × 571,514.78
  4. Step 4: Simplify right side
    1,030,252.42x = 812,600,097,622.67
  5. Step 5: Solve for x
    x = 812,600,097,622.67/1,030,252.42
  6. Step 6: Final answer
    x = 788,738.84

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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.