Home / 826,360.23-1,140,488.40-463,803.92

Finding the Fourth Proportional to 826,360.23, 1,140,488.40 and 463,803.92

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Solution

The fourth proportional to 826,360.23, 1,140,488.40 and 463,803.92 is: 640,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,360.23 : 1,140,488.40 = 463,803.92 : x
  2. Step 2: Convert to fraction form
    826,360.23/1,140,488.40 = 463,803.92/x
  3. Step 3: Cross multiply
    826,360.23x = 1,140,488.40 × 463,803.92
  4. Step 4: Simplify right side
    826,360.23x = 528,962,988,315.51
  5. Step 5: Solve for x
    x = 528,962,988,315.51/826,360.23
  6. Step 6: Final answer
    x = 640,111.87

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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.