Home / 1,051,406.40-1,577,109.60-519,009.60

Finding the Fourth Proportional to 1,051,406.40, 1,577,109.60 and 519,009.60

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Solution

The fourth proportional to 1,051,406.40, 1,577,109.60 and 519,009.60 is: 778,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,406.40 : 1,577,109.60 = 519,009.60 : x
  2. Step 2: Convert to fraction form
    1,051,406.40/1,577,109.60 = 519,009.60/x
  3. Step 3: Cross multiply
    1,051,406.40x = 1,577,109.60 × 519,009.60
  4. Step 4: Simplify right side
    1,051,406.40x = 818,535,022,652.16
  5. Step 5: Solve for x
    x = 818,535,022,652.16/1,051,406.40
  6. Step 6: Final answer
    x = 778,514.40

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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.