Home / 912,592.19-1,258,996.67-525,314.95

Finding the Fourth Proportional to 912,592.19, 1,258,996.67 and 525,314.95

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Solution

The fourth proportional to 912,592.19, 1,258,996.67 and 525,314.95 is: 724,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,592.19 : 1,258,996.67 = 525,314.95 : x
  2. Step 2: Convert to fraction form
    912,592.19/1,258,996.67 = 525,314.95/x
  3. Step 3: Cross multiply
    912,592.19x = 1,258,996.67 × 525,314.95
  4. Step 4: Simplify right side
    912,592.19x = 661,369,766,456.23
  5. Step 5: Solve for x
    x = 661,369,766,456.23/912,592.19
  6. Step 6: Final answer
    x = 724,715.57

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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.