Home / 619,962.14-855,547.30-348,030.56

Finding the Fourth Proportional to 619,962.14, 855,547.30 and 348,030.56

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Solution

The fourth proportional to 619,962.14, 855,547.30 and 348,030.56 is: 480,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,962.14 : 855,547.30 = 348,030.56 : x
  2. Step 2: Convert to fraction form
    619,962.14/855,547.30 = 348,030.56/x
  3. Step 3: Cross multiply
    619,962.14x = 855,547.30 × 348,030.56
  4. Step 4: Simplify right side
    619,962.14x = 297,756,605,925.49
  5. Step 5: Solve for x
    x = 297,756,605,925.49/619,962.14
  6. Step 6: Final answer
    x = 480,281.92

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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.