Home / 611,888.04-844,526.26-390,984.03

Finding the Fourth Proportional to 611,888.04, 844,526.26 and 390,984.03

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Solution

The fourth proportional to 611,888.04, 844,526.26 and 390,984.03 is: 539,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,888.04 : 844,526.26 = 390,984.03 : x
  2. Step 2: Convert to fraction form
    611,888.04/844,526.26 = 390,984.03/x
  3. Step 3: Cross multiply
    611,888.04x = 844,526.26 × 390,984.03
  4. Step 4: Simplify right side
    611,888.04x = 330,196,281,064.36
  5. Step 5: Solve for x
    x = 330,196,281,064.36/611,888.04
  6. Step 6: Final answer
    x = 539,635.13

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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.