Home / 841,088.16-1,259,420.40-644,234.40

Finding the Fourth Proportional to 841,088.16, 1,259,420.40 and 644,234.40

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Solution

The fourth proportional to 841,088.16, 1,259,420.40 and 644,234.40 is: 964,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,088.16 : 1,259,420.40 = 644,234.40 : x
  2. Step 2: Convert to fraction form
    841,088.16/1,259,420.40 = 644,234.40/x
  3. Step 3: Cross multiply
    841,088.16x = 1,259,420.40 × 644,234.40
  4. Step 4: Simplify right side
    841,088.16x = 811,361,945,741.76
  5. Step 5: Solve for x
    x = 811,361,945,741.76/841,088.16
  6. Step 6: Final answer
    x = 964,657.43

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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.