Home / 771,529.60-1,064,000.32-529,384.96

Finding the Fourth Proportional to 771,529.60, 1,064,000.32 and 529,384.96

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Solution

The fourth proportional to 771,529.60, 1,064,000.32 and 529,384.96 is: 730,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,529.60 : 1,064,000.32 = 529,384.96 : x
  2. Step 2: Convert to fraction form
    771,529.60/1,064,000.32 = 529,384.96/x
  3. Step 3: Cross multiply
    771,529.60x = 1,064,000.32 × 529,384.96
  4. Step 4: Simplify right side
    771,529.60x = 563,265,766,843.19
  5. Step 5: Solve for x
    x = 563,265,766,843.19/771,529.60
  6. Step 6: Final answer
    x = 730,063.72

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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.