Home / 912,318.51-1,258,968.70-525,080.18

Finding the Fourth Proportional to 912,318.51, 1,258,968.70 and 525,080.18

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Solution

The fourth proportional to 912,318.51, 1,258,968.70 and 525,080.18 is: 724,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,318.51 : 1,258,968.70 = 525,080.18 : x
  2. Step 2: Convert to fraction form
    912,318.51/1,258,968.70 = 525,080.18/x
  3. Step 3: Cross multiply
    912,318.51x = 1,258,968.70 × 525,080.18
  4. Step 4: Simplify right side
    912,318.51x = 661,059,505,085.21
  5. Step 5: Solve for x
    x = 661,059,505,085.21/912,318.51
  6. Step 6: Final answer
    x = 724,592.89

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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.