Home / 877,533.40-1,316,300.10-611,594.20

Finding the Fourth Proportional to 877,533.40, 1,316,300.10 and 611,594.20

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Solution

The fourth proportional to 877,533.40, 1,316,300.10 and 611,594.20 is: 917,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,533.40 : 1,316,300.10 = 611,594.20 : x
  2. Step 2: Convert to fraction form
    877,533.40/1,316,300.10 = 611,594.20/x
  3. Step 3: Cross multiply
    877,533.40x = 1,316,300.10 × 611,594.20
  4. Step 4: Simplify right side
    877,533.40x = 805,041,506,619.42
  5. Step 5: Solve for x
    x = 805,041,506,619.42/877,533.40
  6. Step 6: Final answer
    x = 917,391.30

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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.