Home / 909,015.54-1,254,549.24-546,624.78

Finding the Fourth Proportional to 909,015.54, 1,254,549.24 and 546,624.78

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Solution

The fourth proportional to 909,015.54, 1,254,549.24 and 546,624.78 is: 754,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,015.54 : 1,254,549.24 = 546,624.78 : x
  2. Step 2: Convert to fraction form
    909,015.54/1,254,549.24 = 546,624.78/x
  3. Step 3: Cross multiply
    909,015.54x = 1,254,549.24 × 546,624.78
  4. Step 4: Simplify right side
    909,015.54x = 685,767,702,314.17
  5. Step 5: Solve for x
    x = 685,767,702,314.17/909,015.54
  6. Step 6: Final answer
    x = 754,407.02

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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.