Home / 841,909.34-1,161,888.40-479,364.89

Finding the Fourth Proportional to 841,909.34, 1,161,888.40 and 479,364.89

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Solution

The fourth proportional to 841,909.34, 1,161,888.40 and 479,364.89 is: 661,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,909.34 : 1,161,888.40 = 479,364.89 : x
  2. Step 2: Convert to fraction form
    841,909.34/1,161,888.40 = 479,364.89/x
  3. Step 3: Cross multiply
    841,909.34x = 1,161,888.40 × 479,364.89
  4. Step 4: Simplify right side
    841,909.34x = 556,968,499,848.04
  5. Step 5: Solve for x
    x = 556,968,499,848.04/841,909.34
  6. Step 6: Final answer
    x = 661,554.01

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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.