Home / 1,675,558.86-2,312,294.90-911,613.03

Finding the Fourth Proportional to 1,675,558.86, 2,312,294.90 and 911,613.03

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Solution

The fourth proportional to 1,675,558.86, 2,312,294.90 and 911,613.03 is: 1,258,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,558.86 : 2,312,294.90 = 911,613.03 : x
  2. Step 2: Convert to fraction form
    1,675,558.86/2,312,294.90 = 911,613.03/x
  3. Step 3: Cross multiply
    1,675,558.86x = 2,312,294.90 × 911,613.03
  4. Step 4: Simplify right side
    1,675,558.86x = 2,107,918,155,484.48
  5. Step 5: Solve for x
    x = 2,107,918,155,484.48/1,675,558.86
  6. Step 6: Final answer
    x = 1,258,038.86

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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.