Home / 842,314.74-1,162,394.46-460,341.42

Finding the Fourth Proportional to 842,314.74, 1,162,394.46 and 460,341.42

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Solution

The fourth proportional to 842,314.74, 1,162,394.46 and 460,341.42 is: 635,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,314.74 : 1,162,394.46 = 460,341.42 : x
  2. Step 2: Convert to fraction form
    842,314.74/1,162,394.46 = 460,341.42/x
  3. Step 3: Cross multiply
    842,314.74x = 1,162,394.46 × 460,341.42
  4. Step 4: Simplify right side
    842,314.74x = 535,098,316,316.53
  5. Step 5: Solve for x
    x = 535,098,316,316.53/842,314.74
  6. Step 6: Final answer
    x = 635,271.22

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Double scale
Find fourth proportional to 842,315.74, 1,162,395.84 and 460,342.42
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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.