Home / 917,460-1,266,094.80-515,052

Finding the Fourth Proportional to 917,460, 1,266,094.80 and 515,052

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Solution

The fourth proportional to 917,460, 1,266,094.80 and 515,052 is: 710,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,460 : 1,266,094.80 = 515,052 : x
  2. Step 2: Convert to fraction form
    917,460/1,266,094.80 = 515,052/x
  3. Step 3: Cross multiply
    917,460x = 1,266,094.80 × 515,052
  4. Step 4: Simplify right side
    917,460x = 652,104,658,929.60
  5. Step 5: Solve for x
    x = 652,104,658,929.60/917,460
  6. Step 6: Final answer
    x = 710,771.76

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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.