Home / 875,437.60-1,312,378.80-576,061.60

Finding the Fourth Proportional to 875,437.60, 1,312,378.80 and 576,061.60

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Solution

The fourth proportional to 875,437.60, 1,312,378.80 and 576,061.60 is: 863,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,437.60 : 1,312,378.80 = 576,061.60 : x
  2. Step 2: Convert to fraction form
    875,437.60/1,312,378.80 = 576,061.60/x
  3. Step 3: Cross multiply
    875,437.60x = 1,312,378.80 × 576,061.60
  4. Step 4: Simplify right side
    875,437.60x = 756,011,031,334.08
  5. Step 5: Solve for x
    x = 756,011,031,334.08/875,437.60
  6. Step 6: Final answer
    x = 863,580.72

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Double scale
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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.