Home / 569,582.16-786,003.72-311,465.36

Finding the Fourth Proportional to 569,582.16, 786,003.72 and 311,465.36

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Solution

The fourth proportional to 569,582.16, 786,003.72 and 311,465.36 is: 429,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,582.16 : 786,003.72 = 311,465.36 : x
  2. Step 2: Convert to fraction form
    569,582.16/786,003.72 = 311,465.36/x
  3. Step 3: Cross multiply
    569,582.16x = 786,003.72 × 311,465.36
  4. Step 4: Simplify right side
    569,582.16x = 244,812,931,611.14
  5. Step 5: Solve for x
    x = 244,812,931,611.14/569,582.16
  6. Step 6: Final answer
    x = 429,811.45

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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.