Home / 570,254.16-786,868.34-315,604.74

Finding the Fourth Proportional to 570,254.16, 786,868.34 and 315,604.74

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Solution

The fourth proportional to 570,254.16, 786,868.34 and 315,604.74 is: 435,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,254.16 : 786,868.34 = 315,604.74 : x
  2. Step 2: Convert to fraction form
    570,254.16/786,868.34 = 315,604.74/x
  3. Step 3: Cross multiply
    570,254.16x = 786,868.34 × 315,604.74
  4. Step 4: Simplify right side
    570,254.16x = 248,339,377,859.93
  5. Step 5: Solve for x
    x = 248,339,377,859.93/570,254.16
  6. Step 6: Final answer
    x = 435,488.94

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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.