Home / 884,417.40-1,326,366.90-410,988.60

Finding the Fourth Proportional to 884,417.40, 1,326,366.90 and 410,988.60

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Solution

The fourth proportional to 884,417.40, 1,326,366.90 and 410,988.60 is: 616,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,417.40 : 1,326,366.90 = 410,988.60 : x
  2. Step 2: Convert to fraction form
    884,417.40/1,326,366.90 = 410,988.60/x
  3. Step 3: Cross multiply
    884,417.40x = 1,326,366.90 × 410,988.60
  4. Step 4: Simplify right side
    884,417.40x = 545,121,675,317.34
  5. Step 5: Solve for x
    x = 545,121,675,317.34/884,417.40
  6. Step 6: Final answer
    x = 616,362.45

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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.