Home / 911,095.48-1,257,465.80-529,343.80

Finding the Fourth Proportional to 911,095.48, 1,257,465.80 and 529,343.80

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Solution

The fourth proportional to 911,095.48, 1,257,465.80 and 529,343.80 is: 730,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,095.48 : 1,257,465.80 = 529,343.80 : x
  2. Step 2: Convert to fraction form
    911,095.48/1,257,465.80 = 529,343.80/x
  3. Step 3: Cross multiply
    911,095.48x = 1,257,465.80 × 529,343.80
  4. Step 4: Simplify right side
    911,095.48x = 665,631,724,942.04
  5. Step 5: Solve for x
    x = 665,631,724,942.04/911,095.48
  6. Step 6: Final answer
    x = 730,583.94

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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.