Home / 1,026,089-1,539,337.64-316,086.76

Finding the Fourth Proportional to 1,026,089, 1,539,337.64 and 316,086.76

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Solution

The fourth proportional to 1,026,089, 1,539,337.64 and 316,086.76 is: 474,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,089 : 1,539,337.64 = 316,086.76 : x
  2. Step 2: Convert to fraction form
    1,026,089/1,539,337.64 = 316,086.76/x
  3. Step 3: Cross multiply
    1,026,089x = 1,539,337.64 × 316,086.76
  4. Step 4: Simplify right side
    1,026,089x = 486,564,247,173.65
  5. Step 5: Solve for x
    x = 486,564,247,173.65/1,026,089
  6. Step 6: Final answer
    x = 474,193.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.