Home / 917,996.85-1,266,810.47-510,088.22

Finding the Fourth Proportional to 917,996.85, 1,266,810.47 and 510,088.22

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Solution

The fourth proportional to 917,996.85, 1,266,810.47 and 510,088.22 is: 703,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,996.85 : 1,266,810.47 = 510,088.22 : x
  2. Step 2: Convert to fraction form
    917,996.85/1,266,810.47 = 510,088.22/x
  3. Step 3: Cross multiply
    917,996.85x = 1,266,810.47 × 510,088.22
  4. Step 4: Simplify right side
    917,996.85x = 646,185,097,719.66
  5. Step 5: Solve for x
    x = 646,185,097,719.66/917,996.85
  6. Step 6: Final answer
    x = 703,907.75

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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.