Home / 884,312.87-1,326,749.76-315,681.48

Finding the Fourth Proportional to 884,312.87, 1,326,749.76 and 315,681.48

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Solution

The fourth proportional to 884,312.87, 1,326,749.76 and 315,681.48 is: 473,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,312.87 : 1,326,749.76 = 315,681.48 : x
  2. Step 2: Convert to fraction form
    884,312.87/1,326,749.76 = 315,681.48/x
  3. Step 3: Cross multiply
    884,312.87x = 1,326,749.76 × 315,681.48
  4. Step 4: Simplify right side
    884,312.87x = 418,830,327,826.45
  5. Step 5: Solve for x
    x = 418,830,327,826.45/884,312.87
  6. Step 6: Final answer
    x = 473,622.34

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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.