Home / 865,683.95-1,298,548.20-410,168.30

Finding the Fourth Proportional to 865,683.95, 1,298,548.20 and 410,168.30

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Solution

The fourth proportional to 865,683.95, 1,298,548.20 and 410,168.30 is: 615,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,683.95 : 1,298,548.20 = 410,168.30 : x
  2. Step 2: Convert to fraction form
    865,683.95/1,298,548.20 = 410,168.30/x
  3. Step 3: Cross multiply
    865,683.95x = 1,298,548.20 × 410,168.30
  4. Step 4: Simplify right side
    865,683.95x = 532,623,307,662.06
  5. Step 5: Solve for x
    x = 532,623,307,662.06/865,683.95
  6. Step 6: Final answer
    x = 615,263.00

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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.