Home / 926,909.10-1,390,363.65-570,768.30

Finding the Fourth Proportional to 926,909.10, 1,390,363.65 and 570,768.30

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Solution

The fourth proportional to 926,909.10, 1,390,363.65 and 570,768.30 is: 856,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,909.10 : 1,390,363.65 = 570,768.30 : x
  2. Step 2: Convert to fraction form
    926,909.10/1,390,363.65 = 570,768.30/x
  3. Step 3: Cross multiply
    926,909.10x = 1,390,363.65 × 570,768.30
  4. Step 4: Simplify right side
    926,909.10x = 793,575,496,892.30
  5. Step 5: Solve for x
    x = 793,575,496,892.30/926,909.10
  6. Step 6: Final answer
    x = 856,152.45

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Double scale
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Similar ratio
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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.