Home / 816,790.95-1,127,006.34-477,193.59

Finding the Fourth Proportional to 816,790.95, 1,127,006.34 and 477,193.59

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Solution

The fourth proportional to 816,790.95, 1,127,006.34 and 477,193.59 is: 658,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,790.95 : 1,127,006.34 = 477,193.59 : x
  2. Step 2: Convert to fraction form
    816,790.95/1,127,006.34 = 477,193.59/x
  3. Step 3: Cross multiply
    816,790.95x = 1,127,006.34 × 477,193.59
  4. Step 4: Simplify right side
    816,790.95x = 537,800,201,337.36
  5. Step 5: Solve for x
    x = 537,800,201,337.36/816,790.95
  6. Step 6: Final answer
    x = 658,430.66

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Double scale
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1.5x scale

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.