Home / 841,567.59-1,161,319.59-478,990.31

Finding the Fourth Proportional to 841,567.59, 1,161,319.59 and 478,990.31

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Solution

The fourth proportional to 841,567.59, 1,161,319.59 and 478,990.31 is: 660,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,567.59 : 1,161,319.59 = 478,990.31 : x
  2. Step 2: Convert to fraction form
    841,567.59/1,161,319.59 = 478,990.31/x
  3. Step 3: Cross multiply
    841,567.59x = 1,161,319.59 × 478,990.31
  4. Step 4: Simplify right side
    841,567.59x = 556,260,824,616.58
  5. Step 5: Solve for x
    x = 556,260,824,616.58/841,567.59
  6. Step 6: Final answer
    x = 660,981.76

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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.