Home / 936,031.80-1,404,047.70-838,054.20

Finding the Fourth Proportional to 936,031.80, 1,404,047.70 and 838,054.20

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Solution

The fourth proportional to 936,031.80, 1,404,047.70 and 838,054.20 is: 1,257,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,031.80 : 1,404,047.70 = 838,054.20 : x
  2. Step 2: Convert to fraction form
    936,031.80/1,404,047.70 = 838,054.20/x
  3. Step 3: Cross multiply
    936,031.80x = 1,404,047.70 × 838,054.20
  4. Step 4: Simplify right side
    936,031.80x = 1,176,668,071,985.34
  5. Step 5: Solve for x
    x = 1,176,668,071,985.34/936,031.80
  6. Step 6: Final answer
    x = 1,257,081.30

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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.