Home / 828,299.52-1,142,386.74-556,285.32

Finding the Fourth Proportional to 828,299.52, 1,142,386.74 and 556,285.32

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Solution

The fourth proportional to 828,299.52, 1,142,386.74 and 556,285.32 is: 767,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,299.52 : 1,142,386.74 = 556,285.32 : x
  2. Step 2: Convert to fraction form
    828,299.52/1,142,386.74 = 556,285.32/x
  3. Step 3: Cross multiply
    828,299.52x = 1,142,386.74 × 556,285.32
  4. Step 4: Simplify right side
    828,299.52x = 635,492,973,224.66
  5. Step 5: Solve for x
    x = 635,492,973,224.66/828,299.52
  6. Step 6: Final answer
    x = 767,226.06

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Double scale
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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.