Home / 768,037.60-1,152,056.40-577,266.40

Finding the Fourth Proportional to 768,037.60, 1,152,056.40 and 577,266.40

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Solution

The fourth proportional to 768,037.60, 1,152,056.40 and 577,266.40 is: 865,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,037.60 : 1,152,056.40 = 577,266.40 : x
  2. Step 2: Convert to fraction form
    768,037.60/1,152,056.40 = 577,266.40/x
  3. Step 3: Cross multiply
    768,037.60x = 1,152,056.40 × 577,266.40
  4. Step 4: Simplify right side
    768,037.60x = 665,043,450,624.96
  5. Step 5: Solve for x
    x = 665,043,450,624.96/768,037.60
  6. Step 6: Final answer
    x = 865,899.60

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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.