Home / 692,194.40-1,038,291.60-356,271.20

Finding the Fourth Proportional to 692,194.40, 1,038,291.60 and 356,271.20

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Solution

The fourth proportional to 692,194.40, 1,038,291.60 and 356,271.20 is: 534,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,194.40 : 1,038,291.60 = 356,271.20 : x
  2. Step 2: Convert to fraction form
    692,194.40/1,038,291.60 = 356,271.20/x
  3. Step 3: Cross multiply
    692,194.40x = 1,038,291.60 × 356,271.20
  4. Step 4: Simplify right side
    692,194.40x = 369,913,394,281.92
  5. Step 5: Solve for x
    x = 369,913,394,281.92/692,194.40
  6. Step 6: Final answer
    x = 534,406.80

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Similar ratio
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1.5x scale

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.