Home / 917,259.59-1,265,725.85-535,507.81

Finding the Fourth Proportional to 917,259.59, 1,265,725.85 and 535,507.81

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Solution

The fourth proportional to 917,259.59, 1,265,725.85 and 535,507.81 is: 738,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,259.59 : 1,265,725.85 = 535,507.81 : x
  2. Step 2: Convert to fraction form
    917,259.59/1,265,725.85 = 535,507.81/x
  3. Step 3: Cross multiply
    917,259.59x = 1,265,725.85 × 535,507.81
  4. Step 4: Simplify right side
    917,259.59x = 677,806,072,152.04
  5. Step 5: Solve for x
    x = 677,806,072,152.04/917,259.59
  6. Step 6: Final answer
    x = 738,946.83

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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.