Home / 757,308.47-1,045,068.86-417,776.63

Finding the Fourth Proportional to 757,308.47, 1,045,068.86 and 417,776.63

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Solution

The fourth proportional to 757,308.47, 1,045,068.86 and 417,776.63 is: 576,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,308.47 : 1,045,068.86 = 417,776.63 : x
  2. Step 2: Convert to fraction form
    757,308.47/1,045,068.86 = 417,776.63/x
  3. Step 3: Cross multiply
    757,308.47x = 1,045,068.86 × 417,776.63
  4. Step 4: Simplify right side
    757,308.47x = 436,605,342,267.84
  5. Step 5: Solve for x
    x = 436,605,342,267.84/757,308.47
  6. Step 6: Final answer
    x = 576,522.46

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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.