Home / 912,875.40-1,369,313.10-594,010.80

Finding the Fourth Proportional to 912,875.40, 1,369,313.10 and 594,010.80

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Solution

The fourth proportional to 912,875.40, 1,369,313.10 and 594,010.80 is: 891,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,875.40 : 1,369,313.10 = 594,010.80 : x
  2. Step 2: Convert to fraction form
    912,875.40/1,369,313.10 = 594,010.80/x
  3. Step 3: Cross multiply
    912,875.40x = 1,369,313.10 × 594,010.80
  4. Step 4: Simplify right side
    912,875.40x = 813,386,769,981.48
  5. Step 5: Solve for x
    x = 813,386,769,981.48/912,875.40
  6. Step 6: Final answer
    x = 891,016.20

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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.