Home / 909,040.40-1,360,936.20-554,746.40

Finding the Fourth Proportional to 909,040.40, 1,360,936.20 and 554,746.40

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Solution

The fourth proportional to 909,040.40, 1,360,936.20 and 554,746.40 is: 830,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,040.40 : 1,360,936.20 = 554,746.40 : x
  2. Step 2: Convert to fraction form
    909,040.40/1,360,936.20 = 554,746.40/x
  3. Step 3: Cross multiply
    909,040.40x = 1,360,936.20 × 554,746.40
  4. Step 4: Simplify right side
    909,040.40x = 754,974,457,579.68
  5. Step 5: Solve for x
    x = 754,974,457,579.68/909,040.40
  6. Step 6: Final answer
    x = 830,518.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.