Home / 999,477.60-1,499,216.40-663,554.40

Finding the Fourth Proportional to 999,477.60, 1,499,216.40 and 663,554.40

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Solution

The fourth proportional to 999,477.60, 1,499,216.40 and 663,554.40 is: 995,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,477.60 : 1,499,216.40 = 663,554.40 : x
  2. Step 2: Convert to fraction form
    999,477.60/1,499,216.40 = 663,554.40/x
  3. Step 3: Cross multiply
    999,477.60x = 1,499,216.40 × 663,554.40
  4. Step 4: Simplify right side
    999,477.60x = 994,811,638,772.16
  5. Step 5: Solve for x
    x = 994,811,638,772.16/999,477.60
  6. Step 6: Final answer
    x = 995,331.60

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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.