Home / 843,386.85-1,163,886.98-461,420.01

Finding the Fourth Proportional to 843,386.85, 1,163,886.98 and 461,420.01

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Solution

The fourth proportional to 843,386.85, 1,163,886.98 and 461,420.01 is: 636,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,386.85 : 1,163,886.98 = 461,420.01 : x
  2. Step 2: Convert to fraction form
    843,386.85/1,163,886.98 = 461,420.01/x
  3. Step 3: Cross multiply
    843,386.85x = 1,163,886.98 × 461,420.01
  4. Step 4: Simplify right side
    843,386.85x = 537,040,739,643.37
  5. Step 5: Solve for x
    x = 537,040,739,643.37/843,386.85
  6. Step 6: Final answer
    x = 636,766.79

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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.