Home / 1,142,184.81-1,712,071.59-383,306.74

Finding the Fourth Proportional to 1,142,184.81, 1,712,071.59 and 383,306.74

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Solution

The fourth proportional to 1,142,184.81, 1,712,071.59 and 383,306.74 is: 574,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,184.81 : 1,712,071.59 = 383,306.74 : x
  2. Step 2: Convert to fraction form
    1,142,184.81/1,712,071.59 = 383,306.74/x
  3. Step 3: Cross multiply
    1,142,184.81x = 1,712,071.59 × 383,306.74
  4. Step 4: Simplify right side
    1,142,184.81x = 656,248,579,809.52
  5. Step 5: Solve for x
    x = 656,248,579,809.52/1,142,184.81
  6. Step 6: Final answer
    x = 574,555.52

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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.