Home / 749,128.52-1,033,561.80-458,437.04

Finding the Fourth Proportional to 749,128.52, 1,033,561.80 and 458,437.04

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Solution

The fourth proportional to 749,128.52, 1,033,561.80 and 458,437.04 is: 632,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,128.52 : 1,033,561.80 = 458,437.04 : x
  2. Step 2: Convert to fraction form
    749,128.52/1,033,561.80 = 458,437.04/x
  3. Step 3: Cross multiply
    749,128.52x = 1,033,561.80 × 458,437.04
  4. Step 4: Simplify right side
    749,128.52x = 473,823,007,081.26
  5. Step 5: Solve for x
    x = 473,823,007,081.26/749,128.52
  6. Step 6: Final answer
    x = 632,498.96

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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.