Home / 865,606.49-1,194,598.80-478,413.58

Finding the Fourth Proportional to 865,606.49, 1,194,598.80 and 478,413.58

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Solution

The fourth proportional to 865,606.49, 1,194,598.80 and 478,413.58 is: 660,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,606.49 : 1,194,598.80 = 478,413.58 : x
  2. Step 2: Convert to fraction form
    865,606.49/1,194,598.80 = 478,413.58/x
  3. Step 3: Cross multiply
    865,606.49x = 1,194,598.80 × 478,413.58
  4. Step 4: Simplify right side
    865,606.49x = 571,512,287,154.34
  5. Step 5: Solve for x
    x = 571,512,287,154.34/865,606.49
  6. Step 6: Final answer
    x = 660,244.92

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1.5x scale

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.