Home / 912,542.49-1,258,928.26-525,265.23

Finding the Fourth Proportional to 912,542.49, 1,258,928.26 and 525,265.23

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Solution

The fourth proportional to 912,542.49, 1,258,928.26 and 525,265.23 is: 724,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,542.49 : 1,258,928.26 = 525,265.23 : x
  2. Step 2: Convert to fraction form
    912,542.49/1,258,928.26 = 525,265.23/x
  3. Step 3: Cross multiply
    912,542.49x = 1,258,928.26 × 525,265.23
  4. Step 4: Simplify right side
    912,542.49x = 661,271,242,042.40
  5. Step 5: Solve for x
    x = 661,271,242,042.40/912,542.49
  6. Step 6: Final answer
    x = 724,647.07

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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.