Home / 876,065.63-1,208,972.39-473,657.63

Finding the Fourth Proportional to 876,065.63, 1,208,972.39 and 473,657.63

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Solution

The fourth proportional to 876,065.63, 1,208,972.39 and 473,657.63 is: 653,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,065.63 : 1,208,972.39 = 473,657.63 : x
  2. Step 2: Convert to fraction form
    876,065.63/1,208,972.39 = 473,657.63/x
  3. Step 3: Cross multiply
    876,065.63x = 1,208,972.39 × 473,657.63
  4. Step 4: Simplify right side
    876,065.63x = 572,638,988,569.69
  5. Step 5: Solve for x
    x = 572,638,988,569.69/876,065.63
  6. Step 6: Final answer
    x = 653,648.51

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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.