Home / 1,121,532.13-1,547,740.88-612,238.15

Finding the Fourth Proportional to 1,121,532.13, 1,547,740.88 and 612,238.15

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Solution

The fourth proportional to 1,121,532.13, 1,547,740.88 and 612,238.15 is: 844,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,532.13 : 1,547,740.88 = 612,238.15 : x
  2. Step 2: Convert to fraction form
    1,121,532.13/1,547,740.88 = 612,238.15/x
  3. Step 3: Cross multiply
    1,121,532.13x = 1,547,740.88 × 612,238.15
  4. Step 4: Simplify right side
    1,121,532.13x = 947,586,013,050.57
  5. Step 5: Solve for x
    x = 947,586,013,050.57/1,121,532.13
  6. Step 6: Final answer
    x = 844,903.14

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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.