Home / 1,111,421.20-1,533,762.82-602,123.58

Finding the Fourth Proportional to 1,111,421.20, 1,533,762.82 and 602,123.58

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Solution

The fourth proportional to 1,111,421.20, 1,533,762.82 and 602,123.58 is: 830,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,421.20 : 1,533,762.82 = 602,123.58 : x
  2. Step 2: Convert to fraction form
    1,111,421.20/1,533,762.82 = 602,123.58/x
  3. Step 3: Cross multiply
    1,111,421.20x = 1,533,762.82 × 602,123.58
  4. Step 4: Simplify right side
    1,111,421.20x = 923,514,760,049.30
  5. Step 5: Solve for x
    x = 923,514,760,049.30/1,111,421.20
  6. Step 6: Final answer
    x = 830,931.39

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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.