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Finding the Fourth Proportional to 971,339.92, 1,341,295.04 and 609,386

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Solution

The fourth proportional to 971,339.92, 1,341,295.04 and 609,386 is: 841,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,339.92 : 1,341,295.04 = 609,386 : x
  2. Step 2: Convert to fraction form
    971,339.92/1,341,295.04 = 609,386/x
  3. Step 3: Cross multiply
    971,339.92x = 1,341,295.04 × 609,386
  4. Step 4: Simplify right side
    971,339.92x = 817,366,419,245.44
  5. Step 5: Solve for x
    x = 817,366,419,245.44/971,339.92
  6. Step 6: Final answer
    x = 841,483.40

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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.