Home / 761,511.09-1,050,035.45-519,920.49

Finding the Fourth Proportional to 761,511.09, 1,050,035.45 and 519,920.49

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Solution

The fourth proportional to 761,511.09, 1,050,035.45 and 519,920.49 is: 716,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,511.09 : 1,050,035.45 = 519,920.49 : x
  2. Step 2: Convert to fraction form
    761,511.09/1,050,035.45 = 519,920.49/x
  3. Step 3: Cross multiply
    761,511.09x = 1,050,035.45 × 519,920.49
  4. Step 4: Simplify right side
    761,511.09x = 545,934,943,081.77
  5. Step 5: Solve for x
    x = 545,934,943,081.77/761,511.09
  6. Step 6: Final answer
    x = 716,910.04

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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.