Home / 672,821.10-926,603.55-658,124.46

Finding the Fourth Proportional to 672,821.10, 926,603.55 and 658,124.46

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Solution

The fourth proportional to 672,821.10, 926,603.55 and 658,124.46 is: 906,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,821.10 : 926,603.55 = 658,124.46 : x
  2. Step 2: Convert to fraction form
    672,821.10/926,603.55 = 658,124.46/x
  3. Step 3: Cross multiply
    672,821.10x = 926,603.55 × 658,124.46
  4. Step 4: Simplify right side
    672,821.10x = 609,820,460,977.83
  5. Step 5: Solve for x
    x = 609,820,460,977.83/672,821.10
  6. Step 6: Final answer
    x = 906,363.46

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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.