Home / 916,864.41-1,265,404.47-549,356.07

Finding the Fourth Proportional to 916,864.41, 1,265,404.47 and 549,356.07

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Solution

The fourth proportional to 916,864.41, 1,265,404.47 and 549,356.07 is: 758,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,864.41 : 1,265,404.47 = 549,356.07 : x
  2. Step 2: Convert to fraction form
    916,864.41/1,265,404.47 = 549,356.07/x
  3. Step 3: Cross multiply
    916,864.41x = 1,265,404.47 × 549,356.07
  4. Step 4: Simplify right side
    916,864.41x = 695,157,626,599.63
  5. Step 5: Solve for x
    x = 695,157,626,599.63/916,864.41
  6. Step 6: Final answer
    x = 758,190.22

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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.