Home / 740,482.65-1,111,125.83-314,258.22

Finding the Fourth Proportional to 740,482.65, 1,111,125.83 and 314,258.22

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Solution

The fourth proportional to 740,482.65, 1,111,125.83 and 314,258.22 is: 471,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,482.65 : 1,111,125.83 = 314,258.22 : x
  2. Step 2: Convert to fraction form
    740,482.65/1,111,125.83 = 314,258.22/x
  3. Step 3: Cross multiply
    740,482.65x = 1,111,125.83 × 314,258.22
  4. Step 4: Simplify right side
    740,482.65x = 349,180,423,960.53
  5. Step 5: Solve for x
    x = 349,180,423,960.53/740,482.65
  6. Step 6: Final answer
    x = 471,557.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.