Home / 1,430,085.42-1,973,861.60-818,592.66

Finding the Fourth Proportional to 1,430,085.42, 1,973,861.60 and 818,592.66

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Solution

The fourth proportional to 1,430,085.42, 1,973,861.60 and 818,592.66 is: 1,129,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,085.42 : 1,973,861.60 = 818,592.66 : x
  2. Step 2: Convert to fraction form
    1,430,085.42/1,973,861.60 = 818,592.66/x
  3. Step 3: Cross multiply
    1,430,085.42x = 1,973,861.60 × 818,592.66
  4. Step 4: Simplify right side
    1,430,085.42x = 1,615,788,613,522.89
  5. Step 5: Solve for x
    x = 1,615,788,613,522.89/1,430,085.42
  6. Step 6: Final answer
    x = 1,129,854.62

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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.