Home / 692,216.02-1,038,319.37-372,518.31

Finding the Fourth Proportional to 692,216.02, 1,038,319.37 and 372,518.31

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Solution

The fourth proportional to 692,216.02, 1,038,319.37 and 372,518.31 is: 558,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,216.02 : 1,038,319.37 = 372,518.31 : x
  2. Step 2: Convert to fraction form
    692,216.02/1,038,319.37 = 372,518.31/x
  3. Step 3: Cross multiply
    692,216.02x = 1,038,319.37 × 372,518.31
  4. Step 4: Simplify right side
    692,216.02x = 386,792,976,952.67
  5. Step 5: Solve for x
    x = 386,792,976,952.67/692,216.02
  6. Step 6: Final answer
    x = 558,774.96

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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.