Home / 1,766,456.40-2,650,075.56-644,522.16

Finding the Fourth Proportional to 1,766,456.40, 2,650,075.56 and 644,522.16

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Solution

The fourth proportional to 1,766,456.40, 2,650,075.56 and 644,522.16 is: 966,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,456.40 : 2,650,075.56 = 644,522.16 : x
  2. Step 2: Convert to fraction form
    1,766,456.40/2,650,075.56 = 644,522.16/x
  3. Step 3: Cross multiply
    1,766,456.40x = 2,650,075.56 × 644,522.16
  4. Step 4: Simplify right side
    1,766,456.40x = 1,708,032,424,094.41
  5. Step 5: Solve for x
    x = 1,708,032,424,094.41/1,766,456.40
  6. Step 6: Final answer
    x = 966,925.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.