Home / 964,837.72-1,331,555.70-535,256.20

Finding the Fourth Proportional to 964,837.72, 1,331,555.70 and 535,256.20

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Solution

The fourth proportional to 964,837.72, 1,331,555.70 and 535,256.20 is: 738,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,837.72 : 1,331,555.70 = 535,256.20 : x
  2. Step 2: Convert to fraction form
    964,837.72/1,331,555.70 = 535,256.20/x
  3. Step 3: Cross multiply
    964,837.72x = 1,331,555.70 × 535,256.20
  4. Step 4: Simplify right side
    964,837.72x = 712,723,444,070.34
  5. Step 5: Solve for x
    x = 712,723,444,070.34/964,837.72
  6. Step 6: Final answer
    x = 738,697.74

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Double scale
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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.