Home / 1,437,565.86-2,156,120.10-477,941.67

Finding the Fourth Proportional to 1,437,565.86, 2,156,120.10 and 477,941.67

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Solution

The fourth proportional to 1,437,565.86, 2,156,120.10 and 477,941.67 is: 716,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,565.86 : 2,156,120.10 = 477,941.67 : x
  2. Step 2: Convert to fraction form
    1,437,565.86/2,156,120.10 = 477,941.67/x
  3. Step 3: Cross multiply
    1,437,565.86x = 2,156,120.10 × 477,941.67
  4. Step 4: Simplify right side
    1,437,565.86x = 1,030,499,641,314.57
  5. Step 5: Solve for x
    x = 1,030,499,641,314.57/1,437,565.86
  6. Step 6: Final answer
    x = 716,836.47

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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.