Home / 859,533.28-1,186,302.04-497,177.42

Finding the Fourth Proportional to 859,533.28, 1,186,302.04 and 497,177.42

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Solution

The fourth proportional to 859,533.28, 1,186,302.04 and 497,177.42 is: 686,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,533.28 : 1,186,302.04 = 497,177.42 : x
  2. Step 2: Convert to fraction form
    859,533.28/1,186,302.04 = 497,177.42/x
  3. Step 3: Cross multiply
    859,533.28x = 1,186,302.04 × 497,177.42
  4. Step 4: Simplify right side
    859,533.28x = 589,802,580,413.48
  5. Step 5: Solve for x
    x = 589,802,580,413.48/859,533.28
  6. Step 6: Final answer
    x = 686,189.35

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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.