Home / 835,421.34-1,153,821.81-564,607.88

Finding the Fourth Proportional to 835,421.34, 1,153,821.81 and 564,607.88

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Solution

The fourth proportional to 835,421.34, 1,153,821.81 and 564,607.88 is: 779,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,421.34 : 1,153,821.81 = 564,607.88 : x
  2. Step 2: Convert to fraction form
    835,421.34/1,153,821.81 = 564,607.88/x
  3. Step 3: Cross multiply
    835,421.34x = 1,153,821.81 × 564,607.88
  4. Step 4: Simplify right side
    835,421.34x = 651,456,880,272.75
  5. Step 5: Solve for x
    x = 651,456,880,272.75/835,421.34
  6. Step 6: Final answer
    x = 779,794.40

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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.