Home / 916,009.63-1,264,059.07-513,575.71

Finding the Fourth Proportional to 916,009.63, 1,264,059.07 and 513,575.71

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Solution

The fourth proportional to 916,009.63, 1,264,059.07 and 513,575.71 is: 708,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,009.63 : 1,264,059.07 = 513,575.71 : x
  2. Step 2: Convert to fraction form
    916,009.63/1,264,059.07 = 513,575.71/x
  3. Step 3: Cross multiply
    916,009.63x = 1,264,059.07 × 513,575.71
  4. Step 4: Simplify right side
    916,009.63x = 649,190,034,357.19
  5. Step 5: Solve for x
    x = 649,190,034,357.19/916,009.63
  6. Step 6: Final answer
    x = 708,715.29

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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.