Home / 1,036,556.08-1,555,030.14-405,430

Finding the Fourth Proportional to 1,036,556.08, 1,555,030.14 and 405,430

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Solution

The fourth proportional to 1,036,556.08, 1,555,030.14 and 405,430 is: 608,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,556.08 : 1,555,030.14 = 405,430 : x
  2. Step 2: Convert to fraction form
    1,036,556.08/1,555,030.14 = 405,430/x
  3. Step 3: Cross multiply
    1,036,556.08x = 1,555,030.14 × 405,430
  4. Step 4: Simplify right side
    1,036,556.08x = 630,455,869,660.20
  5. Step 5: Solve for x
    x = 630,455,869,660.20/1,036,556.08
  6. Step 6: Final answer
    x = 608,221.67

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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.