Home / 583,869.47-805,602.34-354,421.07

Finding the Fourth Proportional to 583,869.47, 805,602.34 and 354,421.07

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Solution

The fourth proportional to 583,869.47, 805,602.34 and 354,421.07 is: 489,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,869.47 : 805,602.34 = 354,421.07 : x
  2. Step 2: Convert to fraction form
    583,869.47/805,602.34 = 354,421.07/x
  3. Step 3: Cross multiply
    583,869.47x = 805,602.34 × 354,421.07
  4. Step 4: Simplify right side
    583,869.47x = 285,522,442,773.33
  5. Step 5: Solve for x
    x = 285,522,442,773.33/583,869.47
  6. Step 6: Final answer
    x = 489,017.60

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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.