Home / 828,326.16-1,142,623.04-497,097.38

Finding the Fourth Proportional to 828,326.16, 1,142,623.04 and 497,097.38

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Solution

The fourth proportional to 828,326.16, 1,142,623.04 and 497,097.38 is: 685,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,326.16 : 1,142,623.04 = 497,097.38 : x
  2. Step 2: Convert to fraction form
    828,326.16/1,142,623.04 = 497,097.38/x
  3. Step 3: Cross multiply
    828,326.16x = 1,142,623.04 × 497,097.38
  4. Step 4: Simplify right side
    828,326.16x = 567,994,911,313.03
  5. Step 5: Solve for x
    x = 567,994,911,313.03/828,326.16
  6. Step 6: Final answer
    x = 685,714.08

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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.