Home / 869,340.60-1,302,261.30-585,905.40

Finding the Fourth Proportional to 869,340.60, 1,302,261.30 and 585,905.40

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Solution

The fourth proportional to 869,340.60, 1,302,261.30 and 585,905.40 is: 877,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,340.60 : 1,302,261.30 = 585,905.40 : x
  2. Step 2: Convert to fraction form
    869,340.60/1,302,261.30 = 585,905.40/x
  3. Step 3: Cross multiply
    869,340.60x = 1,302,261.30 × 585,905.40
  4. Step 4: Simplify right side
    869,340.60x = 763,001,927,881.02
  5. Step 5: Solve for x
    x = 763,001,927,881.02/869,340.60
  6. Step 6: Final answer
    x = 877,678.93

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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.