Home / 939,817.63-1,296,913.64-510,088.53

Finding the Fourth Proportional to 939,817.63, 1,296,913.64 and 510,088.53

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Solution

The fourth proportional to 939,817.63, 1,296,913.64 and 510,088.53 is: 703,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,817.63 : 1,296,913.64 = 510,088.53 : x
  2. Step 2: Convert to fraction form
    939,817.63/1,296,913.64 = 510,088.53/x
  3. Step 3: Cross multiply
    939,817.63x = 1,296,913.64 × 510,088.53
  4. Step 4: Simplify right side
    939,817.63x = 661,540,775,538.29
  5. Step 5: Solve for x
    x = 661,540,775,538.29/939,817.63
  6. Step 6: Final answer
    x = 703,903.35

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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.