Home / 753,607.40-1,130,411.10-552,840.80

Finding the Fourth Proportional to 753,607.40, 1,130,411.10 and 552,840.80

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Solution

The fourth proportional to 753,607.40, 1,130,411.10 and 552,840.80 is: 829,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,607.40 : 1,130,411.10 = 552,840.80 : x
  2. Step 2: Convert to fraction form
    753,607.40/1,130,411.10 = 552,840.80/x
  3. Step 3: Cross multiply
    753,607.40x = 1,130,411.10 × 552,840.80
  4. Step 4: Simplify right side
    753,607.40x = 624,937,376,852.88
  5. Step 5: Solve for x
    x = 624,937,376,852.88/753,607.40
  6. Step 6: Final answer
    x = 829,261.20

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Double scale
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Similar ratio
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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.