Home / 916,293.39-1,264,636.58-508,526.21

Finding the Fourth Proportional to 916,293.39, 1,264,636.58 and 508,526.21

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Solution

The fourth proportional to 916,293.39, 1,264,636.58 and 508,526.21 is: 701,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,293.39 : 1,264,636.58 = 508,526.21 : x
  2. Step 2: Convert to fraction form
    916,293.39/1,264,636.58 = 508,526.21/x
  3. Step 3: Cross multiply
    916,293.39x = 1,264,636.58 × 508,526.21
  4. Step 4: Simplify right side
    916,293.39x = 643,100,838,188.95
  5. Step 5: Solve for x
    x = 643,100,838,188.95/916,293.39
  6. Step 6: Final answer
    x = 701,850.35

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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.