Home / 922,718.20-1,273,349.35-514,795.77

Finding the Fourth Proportional to 922,718.20, 1,273,349.35 and 514,795.77

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Solution

The fourth proportional to 922,718.20, 1,273,349.35 and 514,795.77 is: 710,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,718.20 : 1,273,349.35 = 514,795.77 : x
  2. Step 2: Convert to fraction form
    922,718.20/1,273,349.35 = 514,795.77/x
  3. Step 3: Cross multiply
    922,718.20x = 1,273,349.35 × 514,795.77
  4. Step 4: Simplify right side
    922,718.20x = 655,514,859,112.25
  5. Step 5: Solve for x
    x = 655,514,859,112.25/922,718.20
  6. Step 6: Final answer
    x = 710,417.18

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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.