Home / 985,560.40-1,477,908.60-452,904.40

Finding the Fourth Proportional to 985,560.40, 1,477,908.60 and 452,904.40

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Solution

The fourth proportional to 985,560.40, 1,477,908.60 and 452,904.40 is: 679,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,560.40 : 1,477,908.60 = 452,904.40 : x
  2. Step 2: Convert to fraction form
    985,560.40/1,477,908.60 = 452,904.40/x
  3. Step 3: Cross multiply
    985,560.40x = 1,477,908.60 × 452,904.40
  4. Step 4: Simplify right side
    985,560.40x = 669,351,307,737.84
  5. Step 5: Solve for x
    x = 669,351,307,737.84/985,560.40
  6. Step 6: Final answer
    x = 679,158.08

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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.