Home / 928,646.99-1,392,826.80-381,594.86

Finding the Fourth Proportional to 928,646.99, 1,392,826.80 and 381,594.86

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Solution

The fourth proportional to 928,646.99, 1,392,826.80 and 381,594.86 is: 572,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,646.99 : 1,392,826.80 = 381,594.86 : x
  2. Step 2: Convert to fraction form
    928,646.99/1,392,826.80 = 381,594.86/x
  3. Step 3: Cross multiply
    928,646.99x = 1,392,826.80 × 381,594.86
  4. Step 4: Simplify right side
    928,646.99x = 531,495,547,440.20
  5. Step 5: Solve for x
    x = 531,495,547,440.20/928,646.99
  6. Step 6: Final answer
    x = 572,333.25

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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.