Home / 1,528,240.95-2,292,439.79-391,012.79

Finding the Fourth Proportional to 1,528,240.95, 2,292,439.79 and 391,012.79

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Solution

The fourth proportional to 1,528,240.95, 2,292,439.79 and 391,012.79 is: 586,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,240.95 : 2,292,439.79 = 391,012.79 : x
  2. Step 2: Convert to fraction form
    1,528,240.95/2,292,439.79 = 391,012.79/x
  3. Step 3: Cross multiply
    1,528,240.95x = 2,292,439.79 × 391,012.79
  4. Step 4: Simplify right side
    1,528,240.95x = 896,373,267,710.25
  5. Step 5: Solve for x
    x = 896,373,267,710.25/1,528,240.95
  6. Step 6: Final answer
    x = 586,539.23

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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.