Home / 759,210.84-1,047,678.30-415,040.22

Finding the Fourth Proportional to 759,210.84, 1,047,678.30 and 415,040.22

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Solution

The fourth proportional to 759,210.84, 1,047,678.30 and 415,040.22 is: 572,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,210.84 : 1,047,678.30 = 415,040.22 : x
  2. Step 2: Convert to fraction form
    759,210.84/1,047,678.30 = 415,040.22/x
  3. Step 3: Cross multiply
    759,210.84x = 1,047,678.30 × 415,040.22
  4. Step 4: Simplify right side
    759,210.84x = 434,828,632,121.23
  5. Step 5: Solve for x
    x = 434,828,632,121.23/759,210.84
  6. Step 6: Final answer
    x = 572,737.65

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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.