Home / 869,559.04-1,200,003.90-525,347.11

Finding the Fourth Proportional to 869,559.04, 1,200,003.90 and 525,347.11

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Solution

The fourth proportional to 869,559.04, 1,200,003.90 and 525,347.11 is: 724,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,559.04 : 1,200,003.90 = 525,347.11 : x
  2. Step 2: Convert to fraction form
    869,559.04/1,200,003.90 = 525,347.11/x
  3. Step 3: Cross multiply
    869,559.04x = 1,200,003.90 × 525,347.11
  4. Step 4: Simplify right side
    869,559.04x = 630,418,578,066.28
  5. Step 5: Solve for x
    x = 630,418,578,066.28/869,559.04
  6. Step 6: Final answer
    x = 724,986.52

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Double scale
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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.