Home / 925,678.65-1,277,554.71-517,803.15

Finding the Fourth Proportional to 925,678.65, 1,277,554.71 and 517,803.15

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Solution

The fourth proportional to 925,678.65, 1,277,554.71 and 517,803.15 is: 714,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,678.65 : 1,277,554.71 = 517,803.15 : x
  2. Step 2: Convert to fraction form
    925,678.65/1,277,554.71 = 517,803.15/x
  3. Step 3: Cross multiply
    925,678.65x = 1,277,554.71 × 517,803.15
  4. Step 4: Simplify right side
    925,678.65x = 661,521,852,681.68
  5. Step 5: Solve for x
    x = 661,521,852,681.68/925,678.65
  6. Step 6: Final answer
    x = 714,634.45

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Double scale
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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.