Home / 922,151.76-1,272,886.92-540,302.16

Finding the Fourth Proportional to 922,151.76, 1,272,886.92 and 540,302.16

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Solution

The fourth proportional to 922,151.76, 1,272,886.92 and 540,302.16 is: 745,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,151.76 : 1,272,886.92 = 540,302.16 : x
  2. Step 2: Convert to fraction form
    922,151.76/1,272,886.92 = 540,302.16/x
  3. Step 3: Cross multiply
    922,151.76x = 1,272,886.92 × 540,302.16
  4. Step 4: Simplify right side
    922,151.76x = 687,743,552,311.75
  5. Step 5: Solve for x
    x = 687,743,552,311.75/922,151.76
  6. Step 6: Final answer
    x = 745,803.00

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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.